Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/calendar_v3.events.html b/docs/dyn/calendar_v3.events.html
index 037d52a..f889b55 100644
--- a/docs/dyn/calendar_v3.events.html
+++ b/docs/dyn/calendar_v3.events.html
@@ -75,16 +75,16 @@
 <h1><a href="calendar_v3.html">Calendar API</a> . <a href="calendar_v3.events.html">events</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#delete">delete(calendarId, eventId, sendNotifications=None)</a></code></p>
+  <code><a href="#delete">delete(calendarId, eventId, sendNotifications=None, sendUpdates=None)</a></code></p>
 <p class="firstline">Deletes an event.</p>
 <p class="toc_element">
   <code><a href="#get">get(calendarId, eventId, alwaysIncludeEmail=None, timeZone=None, maxAttendees=None)</a></code></p>
 <p class="firstline">Returns an event.</p>
 <p class="toc_element">
-  <code><a href="#import_">import_(calendarId, body, supportsAttachments=None)</a></code></p>
+  <code><a href="#import_">import_(calendarId, body, supportsAttachments=None, conferenceDataVersion=None)</a></code></p>
 <p class="firstline">Imports an event. This operation is used to add a private copy of an existing event to a calendar.</p>
 <p class="toc_element">
-  <code><a href="#insert">insert(calendarId, body, sendNotifications=None, supportsAttachments=None, maxAttendees=None)</a></code></p>
+  <code><a href="#insert">insert(calendarId, body, sendNotifications=None, supportsAttachments=None, sendUpdates=None, conferenceDataVersion=None, maxAttendees=None)</a></code></p>
 <p class="firstline">Creates an event.</p>
 <p class="toc_element">
   <code><a href="#instances">instances(calendarId, eventId, timeMin=None, showDeleted=None, alwaysIncludeEmail=None, pageToken=None, maxAttendees=None, maxResults=None, timeMax=None, timeZone=None, originalStart=None)</a></code></p>
@@ -99,29 +99,36 @@
   <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
-  <code><a href="#move">move(calendarId, eventId, destination, sendNotifications=None)</a></code></p>
+  <code><a href="#move">move(calendarId, eventId, destination, sendNotifications=None, sendUpdates=None)</a></code></p>
 <p class="firstline">Moves an event to another calendar, i.e. changes an event's organizer.</p>
 <p class="toc_element">
-  <code><a href="#patch">patch(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None)</a></code></p>
+  <code><a href="#patch">patch(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None, conferenceDataVersion=None, sendUpdates=None)</a></code></p>
 <p class="firstline">Updates an event. This method supports patch semantics.</p>
 <p class="toc_element">
-  <code><a href="#quickAdd">quickAdd(calendarId, text, sendNotifications=None)</a></code></p>
+  <code><a href="#quickAdd">quickAdd(calendarId, text, sendNotifications=None, sendUpdates=None)</a></code></p>
 <p class="firstline">Creates an event based on a simple text string.</p>
 <p class="toc_element">
-  <code><a href="#update">update(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None)</a></code></p>
+  <code><a href="#update">update(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None, conferenceDataVersion=None, sendUpdates=None)</a></code></p>
 <p class="firstline">Updates an event.</p>
 <p class="toc_element">
   <code><a href="#watch">watch(calendarId, body, orderBy=None, showHiddenInvitations=None, timeMin=None, privateExtendedProperty=None, pageToken=None, updatedMin=None, singleEvents=None, alwaysIncludeEmail=None, showDeleted=None, sharedExtendedProperty=None, maxAttendees=None, syncToken=None, iCalUID=None, maxResults=None, timeMax=None, q=None, timeZone=None)</a></code></p>
 <p class="firstline">Watch for changes to Events resources.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="delete">delete(calendarId, eventId, sendNotifications=None)</code>
+    <code class="details" id="delete">delete(calendarId, eventId, sendNotifications=None, sendUpdates=None)</code>
   <pre>Deletes an event.
 
 Args:
   calendarId: string, Calendar identifier. To retrieve calendar IDs call the calendarList.list method. If you want to access the primary calendar of the currently logged in user, use the "primary" keyword. (required)
   eventId: string, Event identifier. (required)
-  sendNotifications: boolean, Whether to send notifications about the deletion of the event. Optional. The default is False.
+  sendNotifications: boolean, Deprecated. Please use sendUpdates instead.
+
+Whether to send notifications about the deletion of the event. Note that some emails might still be sent even if you set the value to false. The default is false.
+  sendUpdates: string, Guests who should receive notifications about the deletion of the event.
+    Allowed values
+      all - Notifications are sent to all guests.
+      externalOnly - Notifications are sent to non-Google Calendar guests only.
+      none - No notifications are sent. This value should only be used for migration use cases (note that in most migration cases the import method should be used).
 </pre>
 </div>
 
@@ -148,6 +155,7 @@
           "title": "A String", # Attachment title.
           "fileUrl": "A String", # URL link to the attachment.
               # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+              # Required when adding an attachment.
           "iconLink": "A String", # URL link to the attachment's icon. Read-only.
           "fileId": "A String", # ID of the attached file. Read-only.
               # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -157,13 +165,13 @@
         "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The creator's name, if available.
         "email": "A String", # The creator's email address, if available.
-        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
         "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The organizer's name, if available.
         "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-        "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "summary": "A String", # Title of the event.
       "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -183,12 +191,13 @@
               # - "tentative" - The attendee has tentatively accepted the invitation.
               # - "accepted" - The attendee has accepted the invitation.
           "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-          "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+          "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
           "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
           "optional": false, # Whether this is an optional attendee. Optional. The default is False.
           "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+              # Required when adding an attendee.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -224,7 +233,13 @@
       "status": "A String", # Status of the event. Optional. Possible values are:
           # - "confirmed" - The event is confirmed. This is the default status.
           # - "tentative" - The event is tentatively confirmed.
-          # - "cancelled" - The event is cancelled.
+          # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+          # A cancelled status represents two different states depending on the event type:
+          # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+          # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+          # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+          # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+          # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
       "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
       "description": "A String", # Description of the event. Optional.
       "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -253,37 +268,138 @@
       "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
       "kind": "calendar#event", # Type of the resource ("calendar#event").
       "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
       "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
       "reminders": { # Information about the event's reminders for the authenticated user.
         "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
           {
             "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+                # Required when adding a reminder.
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+                # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+                # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
+                # Required when adding a reminder.
           },
         ],
         "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
       },
       "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
         "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
         "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
         "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
       },
       "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
       "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-          # - "opaque" - The event blocks time on the calendar. This is the default value.
-          # - "transparent" - The event does not block time on the calendar.
+          # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+          # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
       "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+      "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+        "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+            # All of them must belong to the same conference.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          {
+            "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+                # Format:
+                # - for video, http: or https: schema is required.
+                # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+                # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+                # - for more, http: or https: schema is required.
+            "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+              "A String",
+            ],
+            "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+                # Examples:
+                # - for video: meet.google.com/aaa-bbbb-ccc
+                # - for phone: +1 123 268 2601
+                # - for sip: 12345678@altostrat.com
+                # - for more: should not be filled
+                # Optional.
+            "entryPointType": "A String", # The type of the conference entry point.
+                # Possible values are:
+                # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+                # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+                # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+                # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+            "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+                # Calendar backend will populate this field only for EntryPointType.PHONE.
+            "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+            "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+          },
+        ],
+        "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+          "addOnParameters": { # Additional add-on specific data.
+            "parameters": {
+              "a_key": "A String",
+            },
+          },
+        },
+        "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+        "conferenceId": "A String", # The ID of the conference.
+            # Can be used by developers to keep track of conferences, should not be displayed to users.
+            # Values for solution types:
+            # - "eventHangout": unset.
+            # - "eventNamedHangout": the name of the Hangout.
+            # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+        "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "status": { # The status of the conference create request.
+            "statusCode": "A String", # The current status of the conference create request. Read-only.
+                # The possible values are:
+                # - "pending": the conference create request is still being processed.
+                # - "success": the conference create request succeeded, the entry points are populated.
+                # - "failure": the conference create request failed, there are no entry points.
+          },
+          "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+          "requestId": "A String", # The client-generated unique ID for this request.
+              # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+        },
+        "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+            # Unset for a conference with a failed create request.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "iconUri": "A String", # The user-visible icon for this solution.
+          "name": "A String", # The user-visible name of this solution. Not localized.
+          "key": { # The key which can uniquely identify the conference solution for this event.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+        },
+        "signature": "A String", # The signature of the conference data.
+            # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+            # Unset for a conference with a failed create request.
+            # Optional for a conference with a pending create request.
+      },
     }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="import_">import_(calendarId, body, supportsAttachments=None)</code>
+    <code class="details" id="import_">import_(calendarId, body, supportsAttachments=None, conferenceDataVersion=None)</code>
   <pre>Imports an event. This operation is used to add a private copy of an existing event to a calendar.
 
 Args:
@@ -300,6 +416,7 @@
         "title": "A String", # Attachment title.
         "fileUrl": "A String", # URL link to the attachment.
             # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+            # Required when adding an attachment.
         "iconLink": "A String", # URL link to the attachment's icon. Read-only.
         "fileId": "A String", # ID of the attached file. Read-only.
             # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -309,13 +426,13 @@
       "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
       "displayName": "A String", # The creator's name, if available.
       "email": "A String", # The creator's email address, if available.
-      "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+      "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
     },
     "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
       "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
       "displayName": "A String", # The organizer's name, if available.
       "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-      "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+      "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
     },
     "summary": "A String", # Title of the event.
     "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -335,12 +452,13 @@
             # - "tentative" - The attendee has tentatively accepted the invitation.
             # - "accepted" - The attendee has accepted the invitation.
         "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-        "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
         "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-        "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+        "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
         "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
         "optional": false, # Whether this is an optional attendee. Optional. The default is False.
         "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+            # Required when adding an attendee.
       },
     ],
     "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -376,7 +494,13 @@
     "status": "A String", # Status of the event. Optional. Possible values are:
         # - "confirmed" - The event is confirmed. This is the default status.
         # - "tentative" - The event is tentatively confirmed.
-        # - "cancelled" - The event is cancelled.
+        # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+        # A cancelled status represents two different states depending on the event type:
+        # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+        # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+        # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+        # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+        # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
     "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
     "description": "A String", # Description of the event. Optional.
     "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -405,35 +529,137 @@
     "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
     "kind": "calendar#event", # Type of the resource ("calendar#event").
     "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-    "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-    "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
     "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+    "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+    "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
     "reminders": { # Information about the event's reminders for the authenticated user.
       "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
         {
           "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+              # Required when adding a reminder.
           "method": "A String", # The method used by this reminder. Possible values are:
               # - "email" - Reminders are sent via email.
-              # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+              # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+              # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
               # - "popup" - Reminders are sent via a UI popup.
+              # Required when adding a reminder.
         },
       ],
       "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
     },
     "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-    "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+    "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
       "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
       "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
       "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
     },
     "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
     "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-        # - "opaque" - The event blocks time on the calendar. This is the default value.
-        # - "transparent" - The event does not block time on the calendar.
+        # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+        # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
     "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+    "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+      "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+          # All of them must belong to the same conference.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        {
+          "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+              # Format:
+              # - for video, http: or https: schema is required.
+              # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+              # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+              # - for more, http: or https: schema is required.
+          "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+            "A String",
+          ],
+          "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+              # Examples:
+              # - for video: meet.google.com/aaa-bbbb-ccc
+              # - for phone: +1 123 268 2601
+              # - for sip: 12345678@altostrat.com
+              # - for more: should not be filled
+              # Optional.
+          "entryPointType": "A String", # The type of the conference entry point.
+              # Possible values are:
+              # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+              # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+              # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+              # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+          "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+              # Calendar backend will populate this field only for EntryPointType.PHONE.
+          "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+          "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+        },
+      ],
+      "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+        "addOnParameters": { # Additional add-on specific data.
+          "parameters": {
+            "a_key": "A String",
+          },
+        },
+      },
+      "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+      "conferenceId": "A String", # The ID of the conference.
+          # Can be used by developers to keep track of conferences, should not be displayed to users.
+          # Values for solution types:
+          # - "eventHangout": unset.
+          # - "eventNamedHangout": the name of the Hangout.
+          # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+      "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        "status": { # The status of the conference create request.
+          "statusCode": "A String", # The current status of the conference create request. Read-only.
+              # The possible values are:
+              # - "pending": the conference create request is still being processed.
+              # - "success": the conference create request succeeded, the entry points are populated.
+              # - "failure": the conference create request failed, there are no entry points.
+        },
+        "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+          "type": "A String", # The conference solution type.
+              # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+              # The possible values are:
+              # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+              # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+              # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+        },
+        "requestId": "A String", # The client-generated unique ID for this request.
+            # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+      },
+      "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+          # Unset for a conference with a failed create request.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        "iconUri": "A String", # The user-visible icon for this solution.
+        "name": "A String", # The user-visible name of this solution. Not localized.
+        "key": { # The key which can uniquely identify the conference solution for this event.
+          "type": "A String", # The conference solution type.
+              # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+              # The possible values are:
+              # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+              # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+              # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+        },
+      },
+      "signature": "A String", # The signature of the conference data.
+          # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+          # Unset for a conference with a failed create request.
+          # Optional for a conference with a pending create request.
+    },
   }
 
   supportsAttachments: boolean, Whether API client performing operation supports event attachments. Optional. The default is False.
+  conferenceDataVersion: integer, Version number of conference data supported by the API client. Version 0 assumes no conference data support and ignores conference data in the event's body. Version 1 enables support for copying of ConferenceData as well as for creating new conferences using the createRequest field of conferenceData. The default is 0.
 
 Returns:
   An object of the form:
@@ -447,6 +673,7 @@
           "title": "A String", # Attachment title.
           "fileUrl": "A String", # URL link to the attachment.
               # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+              # Required when adding an attachment.
           "iconLink": "A String", # URL link to the attachment's icon. Read-only.
           "fileId": "A String", # ID of the attached file. Read-only.
               # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -456,13 +683,13 @@
         "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The creator's name, if available.
         "email": "A String", # The creator's email address, if available.
-        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
         "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The organizer's name, if available.
         "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-        "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "summary": "A String", # Title of the event.
       "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -482,12 +709,13 @@
               # - "tentative" - The attendee has tentatively accepted the invitation.
               # - "accepted" - The attendee has accepted the invitation.
           "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-          "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+          "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
           "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
           "optional": false, # Whether this is an optional attendee. Optional. The default is False.
           "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+              # Required when adding an attendee.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -523,7 +751,13 @@
       "status": "A String", # Status of the event. Optional. Possible values are:
           # - "confirmed" - The event is confirmed. This is the default status.
           # - "tentative" - The event is tentatively confirmed.
-          # - "cancelled" - The event is cancelled.
+          # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+          # A cancelled status represents two different states depending on the event type:
+          # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+          # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+          # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+          # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+          # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
       "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
       "description": "A String", # Description of the event. Optional.
       "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -552,37 +786,138 @@
       "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
       "kind": "calendar#event", # Type of the resource ("calendar#event").
       "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
       "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
       "reminders": { # Information about the event's reminders for the authenticated user.
         "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
           {
             "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+                # Required when adding a reminder.
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+                # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+                # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
+                # Required when adding a reminder.
           },
         ],
         "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
       },
       "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
         "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
         "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
         "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
       },
       "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
       "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-          # - "opaque" - The event blocks time on the calendar. This is the default value.
-          # - "transparent" - The event does not block time on the calendar.
+          # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+          # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
       "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+      "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+        "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+            # All of them must belong to the same conference.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          {
+            "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+                # Format:
+                # - for video, http: or https: schema is required.
+                # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+                # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+                # - for more, http: or https: schema is required.
+            "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+              "A String",
+            ],
+            "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+                # Examples:
+                # - for video: meet.google.com/aaa-bbbb-ccc
+                # - for phone: +1 123 268 2601
+                # - for sip: 12345678@altostrat.com
+                # - for more: should not be filled
+                # Optional.
+            "entryPointType": "A String", # The type of the conference entry point.
+                # Possible values are:
+                # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+                # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+                # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+                # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+            "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+                # Calendar backend will populate this field only for EntryPointType.PHONE.
+            "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+            "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+          },
+        ],
+        "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+          "addOnParameters": { # Additional add-on specific data.
+            "parameters": {
+              "a_key": "A String",
+            },
+          },
+        },
+        "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+        "conferenceId": "A String", # The ID of the conference.
+            # Can be used by developers to keep track of conferences, should not be displayed to users.
+            # Values for solution types:
+            # - "eventHangout": unset.
+            # - "eventNamedHangout": the name of the Hangout.
+            # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+        "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "status": { # The status of the conference create request.
+            "statusCode": "A String", # The current status of the conference create request. Read-only.
+                # The possible values are:
+                # - "pending": the conference create request is still being processed.
+                # - "success": the conference create request succeeded, the entry points are populated.
+                # - "failure": the conference create request failed, there are no entry points.
+          },
+          "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+          "requestId": "A String", # The client-generated unique ID for this request.
+              # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+        },
+        "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+            # Unset for a conference with a failed create request.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "iconUri": "A String", # The user-visible icon for this solution.
+          "name": "A String", # The user-visible name of this solution. Not localized.
+          "key": { # The key which can uniquely identify the conference solution for this event.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+        },
+        "signature": "A String", # The signature of the conference data.
+            # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+            # Unset for a conference with a failed create request.
+            # Optional for a conference with a pending create request.
+      },
     }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="insert">insert(calendarId, body, sendNotifications=None, supportsAttachments=None, maxAttendees=None)</code>
+    <code class="details" id="insert">insert(calendarId, body, sendNotifications=None, supportsAttachments=None, sendUpdates=None, conferenceDataVersion=None, maxAttendees=None)</code>
   <pre>Creates an event.
 
 Args:
@@ -599,6 +934,7 @@
         "title": "A String", # Attachment title.
         "fileUrl": "A String", # URL link to the attachment.
             # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+            # Required when adding an attachment.
         "iconLink": "A String", # URL link to the attachment's icon. Read-only.
         "fileId": "A String", # ID of the attached file. Read-only.
             # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -608,13 +944,13 @@
       "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
       "displayName": "A String", # The creator's name, if available.
       "email": "A String", # The creator's email address, if available.
-      "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+      "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
     },
     "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
       "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
       "displayName": "A String", # The organizer's name, if available.
       "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-      "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+      "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
     },
     "summary": "A String", # Title of the event.
     "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -634,12 +970,13 @@
             # - "tentative" - The attendee has tentatively accepted the invitation.
             # - "accepted" - The attendee has accepted the invitation.
         "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-        "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
         "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-        "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+        "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
         "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
         "optional": false, # Whether this is an optional attendee. Optional. The default is False.
         "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+            # Required when adding an attendee.
       },
     ],
     "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -675,7 +1012,13 @@
     "status": "A String", # Status of the event. Optional. Possible values are:
         # - "confirmed" - The event is confirmed. This is the default status.
         # - "tentative" - The event is tentatively confirmed.
-        # - "cancelled" - The event is cancelled.
+        # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+        # A cancelled status represents two different states depending on the event type:
+        # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+        # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+        # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+        # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+        # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
     "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
     "description": "A String", # Description of the event. Optional.
     "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -704,36 +1047,145 @@
     "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
     "kind": "calendar#event", # Type of the resource ("calendar#event").
     "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-    "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-    "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
     "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+    "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+    "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
     "reminders": { # Information about the event's reminders for the authenticated user.
       "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
         {
           "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+              # Required when adding a reminder.
           "method": "A String", # The method used by this reminder. Possible values are:
               # - "email" - Reminders are sent via email.
-              # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+              # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+              # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
               # - "popup" - Reminders are sent via a UI popup.
+              # Required when adding a reminder.
         },
       ],
       "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
     },
     "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-    "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+    "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
       "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
       "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
       "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
     },
     "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
     "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-        # - "opaque" - The event blocks time on the calendar. This is the default value.
-        # - "transparent" - The event does not block time on the calendar.
+        # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+        # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
     "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+    "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+      "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+          # All of them must belong to the same conference.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        {
+          "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+              # Format:
+              # - for video, http: or https: schema is required.
+              # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+              # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+              # - for more, http: or https: schema is required.
+          "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+            "A String",
+          ],
+          "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+              # Examples:
+              # - for video: meet.google.com/aaa-bbbb-ccc
+              # - for phone: +1 123 268 2601
+              # - for sip: 12345678@altostrat.com
+              # - for more: should not be filled
+              # Optional.
+          "entryPointType": "A String", # The type of the conference entry point.
+              # Possible values are:
+              # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+              # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+              # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+              # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+          "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+              # Calendar backend will populate this field only for EntryPointType.PHONE.
+          "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+          "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+        },
+      ],
+      "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+        "addOnParameters": { # Additional add-on specific data.
+          "parameters": {
+            "a_key": "A String",
+          },
+        },
+      },
+      "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+      "conferenceId": "A String", # The ID of the conference.
+          # Can be used by developers to keep track of conferences, should not be displayed to users.
+          # Values for solution types:
+          # - "eventHangout": unset.
+          # - "eventNamedHangout": the name of the Hangout.
+          # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+      "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        "status": { # The status of the conference create request.
+          "statusCode": "A String", # The current status of the conference create request. Read-only.
+              # The possible values are:
+              # - "pending": the conference create request is still being processed.
+              # - "success": the conference create request succeeded, the entry points are populated.
+              # - "failure": the conference create request failed, there are no entry points.
+        },
+        "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+          "type": "A String", # The conference solution type.
+              # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+              # The possible values are:
+              # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+              # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+              # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+        },
+        "requestId": "A String", # The client-generated unique ID for this request.
+            # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+      },
+      "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+          # Unset for a conference with a failed create request.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        "iconUri": "A String", # The user-visible icon for this solution.
+        "name": "A String", # The user-visible name of this solution. Not localized.
+        "key": { # The key which can uniquely identify the conference solution for this event.
+          "type": "A String", # The conference solution type.
+              # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+              # The possible values are:
+              # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+              # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+              # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+        },
+      },
+      "signature": "A String", # The signature of the conference data.
+          # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+          # Unset for a conference with a failed create request.
+          # Optional for a conference with a pending create request.
+    },
   }
 
-  sendNotifications: boolean, Whether to send notifications about the creation of the new event. Optional. The default is False.
+  sendNotifications: boolean, Deprecated. Please use sendUpdates instead.
+
+Whether to send notifications about the creation of the new event. Note that some emails might still be sent even if you set the value to false. The default is false.
   supportsAttachments: boolean, Whether API client performing operation supports event attachments. Optional. The default is False.
+  sendUpdates: string, Whether to send notifications about the creation of the new event. Note that some emails might still be sent. The default is false.
+    Allowed values
+      all - Notifications are sent to all guests.
+      externalOnly - Notifications are sent to non-Google Calendar guests only.
+      none - No notifications are sent. This value should only be used for migration use cases (note that in most migration cases the import method should be used).
+  conferenceDataVersion: integer, Version number of conference data supported by the API client. Version 0 assumes no conference data support and ignores conference data in the event's body. Version 1 enables support for copying of ConferenceData as well as for creating new conferences using the createRequest field of conferenceData. The default is 0.
   maxAttendees: integer, The maximum number of attendees to include in the response. If there are more than the specified number of attendees, only the participant is returned. Optional.
 
 Returns:
@@ -748,6 +1200,7 @@
           "title": "A String", # Attachment title.
           "fileUrl": "A String", # URL link to the attachment.
               # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+              # Required when adding an attachment.
           "iconLink": "A String", # URL link to the attachment's icon. Read-only.
           "fileId": "A String", # ID of the attached file. Read-only.
               # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -757,13 +1210,13 @@
         "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The creator's name, if available.
         "email": "A String", # The creator's email address, if available.
-        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
         "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The organizer's name, if available.
         "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-        "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "summary": "A String", # Title of the event.
       "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -783,12 +1236,13 @@
               # - "tentative" - The attendee has tentatively accepted the invitation.
               # - "accepted" - The attendee has accepted the invitation.
           "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-          "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+          "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
           "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
           "optional": false, # Whether this is an optional attendee. Optional. The default is False.
           "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+              # Required when adding an attendee.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -824,7 +1278,13 @@
       "status": "A String", # Status of the event. Optional. Possible values are:
           # - "confirmed" - The event is confirmed. This is the default status.
           # - "tentative" - The event is tentatively confirmed.
-          # - "cancelled" - The event is cancelled.
+          # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+          # A cancelled status represents two different states depending on the event type:
+          # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+          # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+          # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+          # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+          # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
       "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
       "description": "A String", # Description of the event. Optional.
       "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -853,32 +1313,133 @@
       "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
       "kind": "calendar#event", # Type of the resource ("calendar#event").
       "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
       "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
       "reminders": { # Information about the event's reminders for the authenticated user.
         "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
           {
             "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+                # Required when adding a reminder.
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+                # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+                # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
+                # Required when adding a reminder.
           },
         ],
         "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
       },
       "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
         "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
         "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
         "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
       },
       "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
       "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-          # - "opaque" - The event blocks time on the calendar. This is the default value.
-          # - "transparent" - The event does not block time on the calendar.
+          # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+          # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
       "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+      "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+        "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+            # All of them must belong to the same conference.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          {
+            "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+                # Format:
+                # - for video, http: or https: schema is required.
+                # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+                # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+                # - for more, http: or https: schema is required.
+            "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+              "A String",
+            ],
+            "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+                # Examples:
+                # - for video: meet.google.com/aaa-bbbb-ccc
+                # - for phone: +1 123 268 2601
+                # - for sip: 12345678@altostrat.com
+                # - for more: should not be filled
+                # Optional.
+            "entryPointType": "A String", # The type of the conference entry point.
+                # Possible values are:
+                # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+                # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+                # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+                # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+            "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+                # Calendar backend will populate this field only for EntryPointType.PHONE.
+            "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+            "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+          },
+        ],
+        "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+          "addOnParameters": { # Additional add-on specific data.
+            "parameters": {
+              "a_key": "A String",
+            },
+          },
+        },
+        "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+        "conferenceId": "A String", # The ID of the conference.
+            # Can be used by developers to keep track of conferences, should not be displayed to users.
+            # Values for solution types:
+            # - "eventHangout": unset.
+            # - "eventNamedHangout": the name of the Hangout.
+            # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+        "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "status": { # The status of the conference create request.
+            "statusCode": "A String", # The current status of the conference create request. Read-only.
+                # The possible values are:
+                # - "pending": the conference create request is still being processed.
+                # - "success": the conference create request succeeded, the entry points are populated.
+                # - "failure": the conference create request failed, there are no entry points.
+          },
+          "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+          "requestId": "A String", # The client-generated unique ID for this request.
+              # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+        },
+        "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+            # Unset for a conference with a failed create request.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "iconUri": "A String", # The user-visible icon for this solution.
+          "name": "A String", # The user-visible name of this solution. Not localized.
+          "key": { # The key which can uniquely identify the conference solution for this event.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+        },
+        "signature": "A String", # The signature of the conference data.
+            # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+            # Unset for a conference with a failed create request.
+            # Optional for a conference with a pending create request.
+      },
     }</pre>
 </div>
 
@@ -908,10 +1469,13 @@
     "defaultReminders": [ # The default reminders on the calendar for the authenticated user. These reminders apply to all events on this calendar that do not explicitly override them (i.e. do not have reminders.useDefault set to True).
       {
         "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+            # Required when adding a reminder.
         "method": "A String", # The method used by this reminder. Possible values are:
             # - "email" - Reminders are sent via email.
-            # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+            # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+            # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
             # - "popup" - Reminders are sent via a UI popup.
+            # Required when adding a reminder.
       },
     ],
     "description": "A String", # Description of the calendar. Read-only.
@@ -925,6 +1489,7 @@
               "title": "A String", # Attachment title.
               "fileUrl": "A String", # URL link to the attachment.
                   # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+                  # Required when adding an attachment.
               "iconLink": "A String", # URL link to the attachment's icon. Read-only.
               "fileId": "A String", # ID of the attached file. Read-only.
                   # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -934,13 +1499,13 @@
             "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
             "displayName": "A String", # The creator's name, if available.
             "email": "A String", # The creator's email address, if available.
-            "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+            "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           },
           "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
             "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
             "displayName": "A String", # The organizer's name, if available.
             "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-            "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+            "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           },
           "summary": "A String", # Title of the event.
           "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -960,12 +1525,13 @@
                   # - "tentative" - The attendee has tentatively accepted the invitation.
                   # - "accepted" - The attendee has accepted the invitation.
               "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-              "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+              "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
               "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-              "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+              "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
               "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
               "optional": false, # Whether this is an optional attendee. Optional. The default is False.
               "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+                  # Required when adding an attendee.
             },
           ],
           "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -1001,7 +1567,13 @@
           "status": "A String", # Status of the event. Optional. Possible values are:
               # - "confirmed" - The event is confirmed. This is the default status.
               # - "tentative" - The event is tentatively confirmed.
-              # - "cancelled" - The event is cancelled.
+              # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+              # A cancelled status represents two different states depending on the event type:
+              # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+              # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+              # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+              # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+              # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
           "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
           "description": "A String", # Description of the event. Optional.
           "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -1030,32 +1602,133 @@
           "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
           "kind": "calendar#event", # Type of the resource ("calendar#event").
           "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-          "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-          "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
           "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+          "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+          "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
           "reminders": { # Information about the event's reminders for the authenticated user.
             "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
               {
                 "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+                    # Required when adding a reminder.
                 "method": "A String", # The method used by this reminder. Possible values are:
                     # - "email" - Reminders are sent via email.
-                    # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+                    # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+                    # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
                     # - "popup" - Reminders are sent via a UI popup.
+                    # Required when adding a reminder.
               },
             ],
             "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
           },
           "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-          "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+          "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
             "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
             "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
             "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
           },
           "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
           "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-              # - "opaque" - The event blocks time on the calendar. This is the default value.
-              # - "transparent" - The event does not block time on the calendar.
+              # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+              # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
           "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+          "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+            "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+                # All of them must belong to the same conference.
+                # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+              {
+                "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                    # Optional.
+                "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                    # Optional.
+                "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                    # Optional.
+                "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+                    # Format:
+                    # - for video, http: or https: schema is required.
+                    # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+                    # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+                    # - for more, http: or https: schema is required.
+                "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+                  "A String",
+                ],
+                "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+                    # Examples:
+                    # - for video: meet.google.com/aaa-bbbb-ccc
+                    # - for phone: +1 123 268 2601
+                    # - for sip: 12345678@altostrat.com
+                    # - for more: should not be filled
+                    # Optional.
+                "entryPointType": "A String", # The type of the conference entry point.
+                    # Possible values are:
+                    # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+                    # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+                    # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+                    # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+                "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+                    # Calendar backend will populate this field only for EntryPointType.PHONE.
+                "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                    # Optional.
+              },
+            ],
+            "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+              "addOnParameters": { # Additional add-on specific data.
+                "parameters": {
+                  "a_key": "A String",
+                },
+              },
+            },
+            "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+            "conferenceId": "A String", # The ID of the conference.
+                # Can be used by developers to keep track of conferences, should not be displayed to users.
+                # Values for solution types:
+                # - "eventHangout": unset.
+                # - "eventNamedHangout": the name of the Hangout.
+                # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+            "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+                # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+              "status": { # The status of the conference create request.
+                "statusCode": "A String", # The current status of the conference create request. Read-only.
+                    # The possible values are:
+                    # - "pending": the conference create request is still being processed.
+                    # - "success": the conference create request succeeded, the entry points are populated.
+                    # - "failure": the conference create request failed, there are no entry points.
+              },
+              "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+                "type": "A String", # The conference solution type.
+                    # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                    # The possible values are:
+                    # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                    # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                    # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+              },
+              "requestId": "A String", # The client-generated unique ID for this request.
+                  # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+            },
+            "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+                # Unset for a conference with a failed create request.
+                # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+              "iconUri": "A String", # The user-visible icon for this solution.
+              "name": "A String", # The user-visible name of this solution. Not localized.
+              "key": { # The key which can uniquely identify the conference solution for this event.
+                "type": "A String", # The conference solution type.
+                    # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                    # The possible values are:
+                    # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                    # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                    # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+              },
+            },
+            "signature": "A String", # The signature of the conference data.
+                # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+                # Unset for a conference with a failed create request.
+                # Optional for a conference with a pending create request.
+          },
         },
     ],
     "updated": "A String", # Last modification time of the calendar (as a RFC3339 timestamp). Read-only.
@@ -1097,7 +1770,7 @@
       startTime - Order by the start date/time (ascending). This is only available when querying single events (i.e. the parameter singleEvents is True)
       updated - Order by last modification time (ascending).
   showHiddenInvitations: boolean, Whether to include hidden invitations in the result. Optional. The default is False.
-  timeMin: string, Lower bound (inclusive) for an event's end time to filter by. Optional. The default is not to filter by end time. Must be an RFC3339 timestamp with mandatory time zone offset, e.g., 2011-06-03T10:00:00-07:00, 2011-06-03T10:00:00Z. Milliseconds may be provided but will be ignored.
+  timeMin: string, Lower bound (exclusive) for an event's end time to filter by. Optional. The default is not to filter by end time. Must be an RFC3339 timestamp with mandatory time zone offset, for example, 2011-06-03T10:00:00-07:00, 2011-06-03T10:00:00Z. Milliseconds may be provided but are ignored. If timeMax is set, timeMin must be smaller than timeMax.
   privateExtendedProperty: string, Extended properties constraint specified as propertyName=value. Matches only private properties. This parameter might be repeated multiple times to return events that match all given constraints. (repeated)
   pageToken: string, Token specifying which result page to return. Optional.
   updatedMin: string, Lower bound for an event's last modification time (as a RFC3339 timestamp) to filter by. When specified, entries deleted since this time will always be included regardless of showDeleted. Optional. The default is not to filter by last modification time.
@@ -1122,7 +1795,7 @@
 Optional. The default is to return all entries.
   iCalUID: string, Specifies event ID in the iCalendar format to be included in the response. Optional.
   maxResults: integer, Maximum number of events returned on one result page. The number of events in the resulting page may be less than this value, or none at all, even if there are more events matching the query. Incomplete pages can be detected by a non-empty nextPageToken field in the response. By default the value is 250 events. The page size can never be larger than 2500 events. Optional.
-  timeMax: string, Upper bound (exclusive) for an event's start time to filter by. Optional. The default is not to filter by start time. Must be an RFC3339 timestamp with mandatory time zone offset, e.g., 2011-06-03T10:00:00-07:00, 2011-06-03T10:00:00Z. Milliseconds may be provided but will be ignored.
+  timeMax: string, Upper bound (exclusive) for an event's start time to filter by. Optional. The default is not to filter by start time. Must be an RFC3339 timestamp with mandatory time zone offset, for example, 2011-06-03T10:00:00-07:00, 2011-06-03T10:00:00Z. Milliseconds may be provided but are ignored. If timeMin is set, timeMax must be greater than timeMin.
   q: string, Free text search terms to find events that match these terms in any field, except for extended properties. Optional.
   timeZone: string, Time zone used in the response. Optional. The default is the time zone of the calendar.
 
@@ -1135,10 +1808,13 @@
     "defaultReminders": [ # The default reminders on the calendar for the authenticated user. These reminders apply to all events on this calendar that do not explicitly override them (i.e. do not have reminders.useDefault set to True).
       {
         "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+            # Required when adding a reminder.
         "method": "A String", # The method used by this reminder. Possible values are:
             # - "email" - Reminders are sent via email.
-            # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+            # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+            # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
             # - "popup" - Reminders are sent via a UI popup.
+            # Required when adding a reminder.
       },
     ],
     "description": "A String", # Description of the calendar. Read-only.
@@ -1152,6 +1828,7 @@
               "title": "A String", # Attachment title.
               "fileUrl": "A String", # URL link to the attachment.
                   # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+                  # Required when adding an attachment.
               "iconLink": "A String", # URL link to the attachment's icon. Read-only.
               "fileId": "A String", # ID of the attached file. Read-only.
                   # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -1161,13 +1838,13 @@
             "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
             "displayName": "A String", # The creator's name, if available.
             "email": "A String", # The creator's email address, if available.
-            "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+            "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           },
           "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
             "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
             "displayName": "A String", # The organizer's name, if available.
             "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-            "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+            "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           },
           "summary": "A String", # Title of the event.
           "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -1187,12 +1864,13 @@
                   # - "tentative" - The attendee has tentatively accepted the invitation.
                   # - "accepted" - The attendee has accepted the invitation.
               "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-              "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+              "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
               "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-              "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+              "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
               "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
               "optional": false, # Whether this is an optional attendee. Optional. The default is False.
               "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+                  # Required when adding an attendee.
             },
           ],
           "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -1228,7 +1906,13 @@
           "status": "A String", # Status of the event. Optional. Possible values are:
               # - "confirmed" - The event is confirmed. This is the default status.
               # - "tentative" - The event is tentatively confirmed.
-              # - "cancelled" - The event is cancelled.
+              # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+              # A cancelled status represents two different states depending on the event type:
+              # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+              # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+              # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+              # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+              # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
           "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
           "description": "A String", # Description of the event. Optional.
           "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -1257,32 +1941,133 @@
           "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
           "kind": "calendar#event", # Type of the resource ("calendar#event").
           "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-          "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-          "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
           "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+          "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+          "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
           "reminders": { # Information about the event's reminders for the authenticated user.
             "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
               {
                 "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+                    # Required when adding a reminder.
                 "method": "A String", # The method used by this reminder. Possible values are:
                     # - "email" - Reminders are sent via email.
-                    # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+                    # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+                    # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
                     # - "popup" - Reminders are sent via a UI popup.
+                    # Required when adding a reminder.
               },
             ],
             "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
           },
           "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-          "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+          "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
             "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
             "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
             "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
           },
           "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
           "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-              # - "opaque" - The event blocks time on the calendar. This is the default value.
-              # - "transparent" - The event does not block time on the calendar.
+              # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+              # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
           "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+          "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+            "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+                # All of them must belong to the same conference.
+                # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+              {
+                "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                    # Optional.
+                "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                    # Optional.
+                "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                    # Optional.
+                "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+                    # Format:
+                    # - for video, http: or https: schema is required.
+                    # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+                    # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+                    # - for more, http: or https: schema is required.
+                "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+                  "A String",
+                ],
+                "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+                    # Examples:
+                    # - for video: meet.google.com/aaa-bbbb-ccc
+                    # - for phone: +1 123 268 2601
+                    # - for sip: 12345678@altostrat.com
+                    # - for more: should not be filled
+                    # Optional.
+                "entryPointType": "A String", # The type of the conference entry point.
+                    # Possible values are:
+                    # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+                    # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+                    # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+                    # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+                "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+                    # Calendar backend will populate this field only for EntryPointType.PHONE.
+                "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+                    # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                    # Optional.
+              },
+            ],
+            "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+              "addOnParameters": { # Additional add-on specific data.
+                "parameters": {
+                  "a_key": "A String",
+                },
+              },
+            },
+            "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+            "conferenceId": "A String", # The ID of the conference.
+                # Can be used by developers to keep track of conferences, should not be displayed to users.
+                # Values for solution types:
+                # - "eventHangout": unset.
+                # - "eventNamedHangout": the name of the Hangout.
+                # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+            "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+                # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+              "status": { # The status of the conference create request.
+                "statusCode": "A String", # The current status of the conference create request. Read-only.
+                    # The possible values are:
+                    # - "pending": the conference create request is still being processed.
+                    # - "success": the conference create request succeeded, the entry points are populated.
+                    # - "failure": the conference create request failed, there are no entry points.
+              },
+              "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+                "type": "A String", # The conference solution type.
+                    # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                    # The possible values are:
+                    # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                    # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                    # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+              },
+              "requestId": "A String", # The client-generated unique ID for this request.
+                  # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+            },
+            "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+                # Unset for a conference with a failed create request.
+                # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+              "iconUri": "A String", # The user-visible icon for this solution.
+              "name": "A String", # The user-visible name of this solution. Not localized.
+              "key": { # The key which can uniquely identify the conference solution for this event.
+                "type": "A String", # The conference solution type.
+                    # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                    # The possible values are:
+                    # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                    # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                    # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+              },
+            },
+            "signature": "A String", # The signature of the conference data.
+                # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+                # Unset for a conference with a failed create request.
+                # Optional for a conference with a pending create request.
+          },
         },
     ],
     "updated": "A String", # Last modification time of the calendar (as a RFC3339 timestamp). Read-only.
@@ -1314,14 +2099,21 @@
 </div>
 
 <div class="method">
-    <code class="details" id="move">move(calendarId, eventId, destination, sendNotifications=None)</code>
+    <code class="details" id="move">move(calendarId, eventId, destination, sendNotifications=None, sendUpdates=None)</code>
   <pre>Moves an event to another calendar, i.e. changes an event's organizer.
 
 Args:
   calendarId: string, Calendar identifier of the source calendar where the event currently is on. (required)
   eventId: string, Event identifier. (required)
   destination: string, Calendar identifier of the target calendar where the event is to be moved to. (required)
-  sendNotifications: boolean, Whether to send notifications about the change of the event's organizer. Optional. The default is False.
+  sendNotifications: boolean, Deprecated. Please use sendUpdates instead.
+
+Whether to send notifications about the change of the event's organizer. Note that some emails might still be sent even if you set the value to false. The default is false.
+  sendUpdates: string, Guests who should receive notifications about the change of the event's organizer.
+    Allowed values
+      all - Notifications are sent to all guests.
+      externalOnly - Notifications are sent to non-Google Calendar guests only.
+      none - No notifications are sent. This value should only be used for migration use cases (note that in most migration cases the import method should be used).
 
 Returns:
   An object of the form:
@@ -1335,6 +2127,7 @@
           "title": "A String", # Attachment title.
           "fileUrl": "A String", # URL link to the attachment.
               # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+              # Required when adding an attachment.
           "iconLink": "A String", # URL link to the attachment's icon. Read-only.
           "fileId": "A String", # ID of the attached file. Read-only.
               # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -1344,13 +2137,13 @@
         "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The creator's name, if available.
         "email": "A String", # The creator's email address, if available.
-        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
         "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The organizer's name, if available.
         "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-        "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "summary": "A String", # Title of the event.
       "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -1370,12 +2163,13 @@
               # - "tentative" - The attendee has tentatively accepted the invitation.
               # - "accepted" - The attendee has accepted the invitation.
           "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-          "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+          "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
           "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
           "optional": false, # Whether this is an optional attendee. Optional. The default is False.
           "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+              # Required when adding an attendee.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -1411,7 +2205,13 @@
       "status": "A String", # Status of the event. Optional. Possible values are:
           # - "confirmed" - The event is confirmed. This is the default status.
           # - "tentative" - The event is tentatively confirmed.
-          # - "cancelled" - The event is cancelled.
+          # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+          # A cancelled status represents two different states depending on the event type:
+          # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+          # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+          # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+          # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+          # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
       "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
       "description": "A String", # Description of the event. Optional.
       "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -1440,37 +2240,138 @@
       "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
       "kind": "calendar#event", # Type of the resource ("calendar#event").
       "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
       "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
       "reminders": { # Information about the event's reminders for the authenticated user.
         "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
           {
             "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+                # Required when adding a reminder.
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+                # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+                # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
+                # Required when adding a reminder.
           },
         ],
         "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
       },
       "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
         "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
         "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
         "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
       },
       "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
       "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-          # - "opaque" - The event blocks time on the calendar. This is the default value.
-          # - "transparent" - The event does not block time on the calendar.
+          # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+          # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
       "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+      "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+        "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+            # All of them must belong to the same conference.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          {
+            "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+                # Format:
+                # - for video, http: or https: schema is required.
+                # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+                # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+                # - for more, http: or https: schema is required.
+            "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+              "A String",
+            ],
+            "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+                # Examples:
+                # - for video: meet.google.com/aaa-bbbb-ccc
+                # - for phone: +1 123 268 2601
+                # - for sip: 12345678@altostrat.com
+                # - for more: should not be filled
+                # Optional.
+            "entryPointType": "A String", # The type of the conference entry point.
+                # Possible values are:
+                # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+                # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+                # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+                # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+            "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+                # Calendar backend will populate this field only for EntryPointType.PHONE.
+            "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+            "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+          },
+        ],
+        "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+          "addOnParameters": { # Additional add-on specific data.
+            "parameters": {
+              "a_key": "A String",
+            },
+          },
+        },
+        "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+        "conferenceId": "A String", # The ID of the conference.
+            # Can be used by developers to keep track of conferences, should not be displayed to users.
+            # Values for solution types:
+            # - "eventHangout": unset.
+            # - "eventNamedHangout": the name of the Hangout.
+            # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+        "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "status": { # The status of the conference create request.
+            "statusCode": "A String", # The current status of the conference create request. Read-only.
+                # The possible values are:
+                # - "pending": the conference create request is still being processed.
+                # - "success": the conference create request succeeded, the entry points are populated.
+                # - "failure": the conference create request failed, there are no entry points.
+          },
+          "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+          "requestId": "A String", # The client-generated unique ID for this request.
+              # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+        },
+        "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+            # Unset for a conference with a failed create request.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "iconUri": "A String", # The user-visible icon for this solution.
+          "name": "A String", # The user-visible name of this solution. Not localized.
+          "key": { # The key which can uniquely identify the conference solution for this event.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+        },
+        "signature": "A String", # The signature of the conference data.
+            # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+            # Unset for a conference with a failed create request.
+            # Optional for a conference with a pending create request.
+      },
     }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None)</code>
+    <code class="details" id="patch">patch(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None, conferenceDataVersion=None, sendUpdates=None)</code>
   <pre>Updates an event. This method supports patch semantics.
 
 Args:
@@ -1488,6 +2389,7 @@
         "title": "A String", # Attachment title.
         "fileUrl": "A String", # URL link to the attachment.
             # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+            # Required when adding an attachment.
         "iconLink": "A String", # URL link to the attachment's icon. Read-only.
         "fileId": "A String", # ID of the attached file. Read-only.
             # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -1497,13 +2399,13 @@
       "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
       "displayName": "A String", # The creator's name, if available.
       "email": "A String", # The creator's email address, if available.
-      "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+      "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
     },
     "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
       "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
       "displayName": "A String", # The organizer's name, if available.
       "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-      "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+      "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
     },
     "summary": "A String", # Title of the event.
     "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -1523,12 +2425,13 @@
             # - "tentative" - The attendee has tentatively accepted the invitation.
             # - "accepted" - The attendee has accepted the invitation.
         "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-        "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
         "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-        "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+        "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
         "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
         "optional": false, # Whether this is an optional attendee. Optional. The default is False.
         "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+            # Required when adding an attendee.
       },
     ],
     "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -1564,7 +2467,13 @@
     "status": "A String", # Status of the event. Optional. Possible values are:
         # - "confirmed" - The event is confirmed. This is the default status.
         # - "tentative" - The event is tentatively confirmed.
-        # - "cancelled" - The event is cancelled.
+        # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+        # A cancelled status represents two different states depending on the event type:
+        # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+        # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+        # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+        # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+        # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
     "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
     "description": "A String", # Description of the event. Optional.
     "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -1593,38 +2502,147 @@
     "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
     "kind": "calendar#event", # Type of the resource ("calendar#event").
     "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-    "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-    "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
     "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+    "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+    "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
     "reminders": { # Information about the event's reminders for the authenticated user.
       "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
         {
           "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+              # Required when adding a reminder.
           "method": "A String", # The method used by this reminder. Possible values are:
               # - "email" - Reminders are sent via email.
-              # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+              # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+              # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
               # - "popup" - Reminders are sent via a UI popup.
+              # Required when adding a reminder.
         },
       ],
       "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
     },
     "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-    "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+    "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
       "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
       "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
       "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
     },
     "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
     "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-        # - "opaque" - The event blocks time on the calendar. This is the default value.
-        # - "transparent" - The event does not block time on the calendar.
+        # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+        # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
     "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+    "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+      "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+          # All of them must belong to the same conference.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        {
+          "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+              # Format:
+              # - for video, http: or https: schema is required.
+              # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+              # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+              # - for more, http: or https: schema is required.
+          "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+            "A String",
+          ],
+          "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+              # Examples:
+              # - for video: meet.google.com/aaa-bbbb-ccc
+              # - for phone: +1 123 268 2601
+              # - for sip: 12345678@altostrat.com
+              # - for more: should not be filled
+              # Optional.
+          "entryPointType": "A String", # The type of the conference entry point.
+              # Possible values are:
+              # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+              # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+              # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+              # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+          "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+              # Calendar backend will populate this field only for EntryPointType.PHONE.
+          "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+          "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+        },
+      ],
+      "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+        "addOnParameters": { # Additional add-on specific data.
+          "parameters": {
+            "a_key": "A String",
+          },
+        },
+      },
+      "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+      "conferenceId": "A String", # The ID of the conference.
+          # Can be used by developers to keep track of conferences, should not be displayed to users.
+          # Values for solution types:
+          # - "eventHangout": unset.
+          # - "eventNamedHangout": the name of the Hangout.
+          # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+      "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        "status": { # The status of the conference create request.
+          "statusCode": "A String", # The current status of the conference create request. Read-only.
+              # The possible values are:
+              # - "pending": the conference create request is still being processed.
+              # - "success": the conference create request succeeded, the entry points are populated.
+              # - "failure": the conference create request failed, there are no entry points.
+        },
+        "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+          "type": "A String", # The conference solution type.
+              # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+              # The possible values are:
+              # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+              # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+              # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+        },
+        "requestId": "A String", # The client-generated unique ID for this request.
+            # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+      },
+      "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+          # Unset for a conference with a failed create request.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        "iconUri": "A String", # The user-visible icon for this solution.
+        "name": "A String", # The user-visible name of this solution. Not localized.
+        "key": { # The key which can uniquely identify the conference solution for this event.
+          "type": "A String", # The conference solution type.
+              # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+              # The possible values are:
+              # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+              # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+              # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+        },
+      },
+      "signature": "A String", # The signature of the conference data.
+          # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+          # Unset for a conference with a failed create request.
+          # Optional for a conference with a pending create request.
+    },
   }
 
-  sendNotifications: boolean, Whether to send notifications about the event update (e.g. attendee's responses, title changes, etc.). Optional. The default is False.
+  sendNotifications: boolean, Deprecated. Please use sendUpdates instead.
+
+Whether to send notifications about the event update (for example, description changes, etc.). Note that some emails might still be sent even if you set the value to false. The default is false.
   alwaysIncludeEmail: boolean, Whether to always include a value in the email field for the organizer, creator and attendees, even if no real email is available (i.e. a generated, non-working value will be provided). The use of this option is discouraged and should only be used by clients which cannot handle the absence of an email address value in the mentioned places. Optional. The default is False.
   supportsAttachments: boolean, Whether API client performing operation supports event attachments. Optional. The default is False.
   maxAttendees: integer, The maximum number of attendees to include in the response. If there are more than the specified number of attendees, only the participant is returned. Optional.
+  conferenceDataVersion: integer, Version number of conference data supported by the API client. Version 0 assumes no conference data support and ignores conference data in the event's body. Version 1 enables support for copying of ConferenceData as well as for creating new conferences using the createRequest field of conferenceData. The default is 0.
+  sendUpdates: string, Guests who should receive notifications about the event update (for example, title changes, etc.).
+    Allowed values
+      all - Notifications are sent to all guests.
+      externalOnly - Notifications are sent to non-Google Calendar guests only.
+      none - No notifications are sent. This value should only be used for migration use cases (note that in most migration cases the import method should be used).
 
 Returns:
   An object of the form:
@@ -1638,6 +2656,7 @@
           "title": "A String", # Attachment title.
           "fileUrl": "A String", # URL link to the attachment.
               # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+              # Required when adding an attachment.
           "iconLink": "A String", # URL link to the attachment's icon. Read-only.
           "fileId": "A String", # ID of the attached file. Read-only.
               # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -1647,13 +2666,13 @@
         "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The creator's name, if available.
         "email": "A String", # The creator's email address, if available.
-        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
         "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The organizer's name, if available.
         "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-        "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "summary": "A String", # Title of the event.
       "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -1673,12 +2692,13 @@
               # - "tentative" - The attendee has tentatively accepted the invitation.
               # - "accepted" - The attendee has accepted the invitation.
           "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-          "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+          "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
           "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
           "optional": false, # Whether this is an optional attendee. Optional. The default is False.
           "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+              # Required when adding an attendee.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -1714,7 +2734,13 @@
       "status": "A String", # Status of the event. Optional. Possible values are:
           # - "confirmed" - The event is confirmed. This is the default status.
           # - "tentative" - The event is tentatively confirmed.
-          # - "cancelled" - The event is cancelled.
+          # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+          # A cancelled status represents two different states depending on the event type:
+          # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+          # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+          # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+          # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+          # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
       "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
       "description": "A String", # Description of the event. Optional.
       "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -1743,43 +2769,151 @@
       "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
       "kind": "calendar#event", # Type of the resource ("calendar#event").
       "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
       "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
       "reminders": { # Information about the event's reminders for the authenticated user.
         "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
           {
             "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+                # Required when adding a reminder.
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+                # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+                # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
+                # Required when adding a reminder.
           },
         ],
         "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
       },
       "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
         "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
         "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
         "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
       },
       "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
       "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-          # - "opaque" - The event blocks time on the calendar. This is the default value.
-          # - "transparent" - The event does not block time on the calendar.
+          # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+          # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
       "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+      "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+        "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+            # All of them must belong to the same conference.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          {
+            "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+                # Format:
+                # - for video, http: or https: schema is required.
+                # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+                # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+                # - for more, http: or https: schema is required.
+            "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+              "A String",
+            ],
+            "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+                # Examples:
+                # - for video: meet.google.com/aaa-bbbb-ccc
+                # - for phone: +1 123 268 2601
+                # - for sip: 12345678@altostrat.com
+                # - for more: should not be filled
+                # Optional.
+            "entryPointType": "A String", # The type of the conference entry point.
+                # Possible values are:
+                # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+                # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+                # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+                # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+            "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+                # Calendar backend will populate this field only for EntryPointType.PHONE.
+            "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+            "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+          },
+        ],
+        "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+          "addOnParameters": { # Additional add-on specific data.
+            "parameters": {
+              "a_key": "A String",
+            },
+          },
+        },
+        "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+        "conferenceId": "A String", # The ID of the conference.
+            # Can be used by developers to keep track of conferences, should not be displayed to users.
+            # Values for solution types:
+            # - "eventHangout": unset.
+            # - "eventNamedHangout": the name of the Hangout.
+            # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+        "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "status": { # The status of the conference create request.
+            "statusCode": "A String", # The current status of the conference create request. Read-only.
+                # The possible values are:
+                # - "pending": the conference create request is still being processed.
+                # - "success": the conference create request succeeded, the entry points are populated.
+                # - "failure": the conference create request failed, there are no entry points.
+          },
+          "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+          "requestId": "A String", # The client-generated unique ID for this request.
+              # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+        },
+        "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+            # Unset for a conference with a failed create request.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "iconUri": "A String", # The user-visible icon for this solution.
+          "name": "A String", # The user-visible name of this solution. Not localized.
+          "key": { # The key which can uniquely identify the conference solution for this event.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+        },
+        "signature": "A String", # The signature of the conference data.
+            # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+            # Unset for a conference with a failed create request.
+            # Optional for a conference with a pending create request.
+      },
     }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="quickAdd">quickAdd(calendarId, text, sendNotifications=None)</code>
+    <code class="details" id="quickAdd">quickAdd(calendarId, text, sendNotifications=None, sendUpdates=None)</code>
   <pre>Creates an event based on a simple text string.
 
 Args:
   calendarId: string, Calendar identifier. To retrieve calendar IDs call the calendarList.list method. If you want to access the primary calendar of the currently logged in user, use the "primary" keyword. (required)
   text: string, The text describing the event to be created. (required)
-  sendNotifications: boolean, Whether to send notifications about the creation of the event. Optional. The default is False.
+  sendNotifications: boolean, Deprecated. Please use sendUpdates instead.
+
+Whether to send notifications about the creation of the event. Note that some emails might still be sent even if you set the value to false. The default is false.
+  sendUpdates: string, Guests who should receive notifications about the creation of the new event.
+    Allowed values
+      all - Notifications are sent to all guests.
+      externalOnly - Notifications are sent to non-Google Calendar guests only.
+      none - No notifications are sent. This value should only be used for migration use cases (note that in most migration cases the import method should be used).
 
 Returns:
   An object of the form:
@@ -1793,6 +2927,7 @@
           "title": "A String", # Attachment title.
           "fileUrl": "A String", # URL link to the attachment.
               # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+              # Required when adding an attachment.
           "iconLink": "A String", # URL link to the attachment's icon. Read-only.
           "fileId": "A String", # ID of the attached file. Read-only.
               # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -1802,13 +2937,13 @@
         "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The creator's name, if available.
         "email": "A String", # The creator's email address, if available.
-        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
         "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The organizer's name, if available.
         "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-        "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "summary": "A String", # Title of the event.
       "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -1828,12 +2963,13 @@
               # - "tentative" - The attendee has tentatively accepted the invitation.
               # - "accepted" - The attendee has accepted the invitation.
           "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-          "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+          "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
           "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
           "optional": false, # Whether this is an optional attendee. Optional. The default is False.
           "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+              # Required when adding an attendee.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -1869,7 +3005,13 @@
       "status": "A String", # Status of the event. Optional. Possible values are:
           # - "confirmed" - The event is confirmed. This is the default status.
           # - "tentative" - The event is tentatively confirmed.
-          # - "cancelled" - The event is cancelled.
+          # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+          # A cancelled status represents two different states depending on the event type:
+          # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+          # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+          # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+          # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+          # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
       "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
       "description": "A String", # Description of the event. Optional.
       "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -1898,37 +3040,138 @@
       "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
       "kind": "calendar#event", # Type of the resource ("calendar#event").
       "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
       "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
       "reminders": { # Information about the event's reminders for the authenticated user.
         "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
           {
             "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+                # Required when adding a reminder.
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+                # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+                # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
+                # Required when adding a reminder.
           },
         ],
         "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
       },
       "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
         "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
         "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
         "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
       },
       "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
       "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-          # - "opaque" - The event blocks time on the calendar. This is the default value.
-          # - "transparent" - The event does not block time on the calendar.
+          # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+          # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
       "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+      "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+        "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+            # All of them must belong to the same conference.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          {
+            "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+                # Format:
+                # - for video, http: or https: schema is required.
+                # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+                # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+                # - for more, http: or https: schema is required.
+            "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+              "A String",
+            ],
+            "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+                # Examples:
+                # - for video: meet.google.com/aaa-bbbb-ccc
+                # - for phone: +1 123 268 2601
+                # - for sip: 12345678@altostrat.com
+                # - for more: should not be filled
+                # Optional.
+            "entryPointType": "A String", # The type of the conference entry point.
+                # Possible values are:
+                # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+                # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+                # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+                # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+            "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+                # Calendar backend will populate this field only for EntryPointType.PHONE.
+            "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+            "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+          },
+        ],
+        "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+          "addOnParameters": { # Additional add-on specific data.
+            "parameters": {
+              "a_key": "A String",
+            },
+          },
+        },
+        "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+        "conferenceId": "A String", # The ID of the conference.
+            # Can be used by developers to keep track of conferences, should not be displayed to users.
+            # Values for solution types:
+            # - "eventHangout": unset.
+            # - "eventNamedHangout": the name of the Hangout.
+            # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+        "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "status": { # The status of the conference create request.
+            "statusCode": "A String", # The current status of the conference create request. Read-only.
+                # The possible values are:
+                # - "pending": the conference create request is still being processed.
+                # - "success": the conference create request succeeded, the entry points are populated.
+                # - "failure": the conference create request failed, there are no entry points.
+          },
+          "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+          "requestId": "A String", # The client-generated unique ID for this request.
+              # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+        },
+        "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+            # Unset for a conference with a failed create request.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "iconUri": "A String", # The user-visible icon for this solution.
+          "name": "A String", # The user-visible name of this solution. Not localized.
+          "key": { # The key which can uniquely identify the conference solution for this event.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+        },
+        "signature": "A String", # The signature of the conference data.
+            # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+            # Unset for a conference with a failed create request.
+            # Optional for a conference with a pending create request.
+      },
     }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="update">update(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None)</code>
+    <code class="details" id="update">update(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None, conferenceDataVersion=None, sendUpdates=None)</code>
   <pre>Updates an event.
 
 Args:
@@ -1946,6 +3189,7 @@
         "title": "A String", # Attachment title.
         "fileUrl": "A String", # URL link to the attachment.
             # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+            # Required when adding an attachment.
         "iconLink": "A String", # URL link to the attachment's icon. Read-only.
         "fileId": "A String", # ID of the attached file. Read-only.
             # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -1955,13 +3199,13 @@
       "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
       "displayName": "A String", # The creator's name, if available.
       "email": "A String", # The creator's email address, if available.
-      "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+      "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
     },
     "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
       "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
       "displayName": "A String", # The organizer's name, if available.
       "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-      "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+      "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
     },
     "summary": "A String", # Title of the event.
     "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -1981,12 +3225,13 @@
             # - "tentative" - The attendee has tentatively accepted the invitation.
             # - "accepted" - The attendee has accepted the invitation.
         "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-        "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
         "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-        "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+        "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
         "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
         "optional": false, # Whether this is an optional attendee. Optional. The default is False.
         "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+            # Required when adding an attendee.
       },
     ],
     "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -2022,7 +3267,13 @@
     "status": "A String", # Status of the event. Optional. Possible values are:
         # - "confirmed" - The event is confirmed. This is the default status.
         # - "tentative" - The event is tentatively confirmed.
-        # - "cancelled" - The event is cancelled.
+        # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+        # A cancelled status represents two different states depending on the event type:
+        # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+        # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+        # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+        # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+        # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
     "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
     "description": "A String", # Description of the event. Optional.
     "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -2051,38 +3302,147 @@
     "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
     "kind": "calendar#event", # Type of the resource ("calendar#event").
     "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-    "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-    "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
     "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+    "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+    "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
     "reminders": { # Information about the event's reminders for the authenticated user.
       "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
         {
           "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+              # Required when adding a reminder.
           "method": "A String", # The method used by this reminder. Possible values are:
               # - "email" - Reminders are sent via email.
-              # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+              # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+              # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
               # - "popup" - Reminders are sent via a UI popup.
+              # Required when adding a reminder.
         },
       ],
       "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
     },
     "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-    "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+    "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
       "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
       "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
       "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
     },
     "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
     "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-        # - "opaque" - The event blocks time on the calendar. This is the default value.
-        # - "transparent" - The event does not block time on the calendar.
+        # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+        # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
     "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+    "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+      "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+          # All of them must belong to the same conference.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        {
+          "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+          "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+              # Format:
+              # - for video, http: or https: schema is required.
+              # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+              # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+              # - for more, http: or https: schema is required.
+          "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+            "A String",
+          ],
+          "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+              # Examples:
+              # - for video: meet.google.com/aaa-bbbb-ccc
+              # - for phone: +1 123 268 2601
+              # - for sip: 12345678@altostrat.com
+              # - for more: should not be filled
+              # Optional.
+          "entryPointType": "A String", # The type of the conference entry point.
+              # Possible values are:
+              # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+              # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+              # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+              # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+          "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+              # Calendar backend will populate this field only for EntryPointType.PHONE.
+          "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+          "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+              # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+              # Optional.
+        },
+      ],
+      "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+        "addOnParameters": { # Additional add-on specific data.
+          "parameters": {
+            "a_key": "A String",
+          },
+        },
+      },
+      "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+      "conferenceId": "A String", # The ID of the conference.
+          # Can be used by developers to keep track of conferences, should not be displayed to users.
+          # Values for solution types:
+          # - "eventHangout": unset.
+          # - "eventNamedHangout": the name of the Hangout.
+          # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+      "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        "status": { # The status of the conference create request.
+          "statusCode": "A String", # The current status of the conference create request. Read-only.
+              # The possible values are:
+              # - "pending": the conference create request is still being processed.
+              # - "success": the conference create request succeeded, the entry points are populated.
+              # - "failure": the conference create request failed, there are no entry points.
+        },
+        "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+          "type": "A String", # The conference solution type.
+              # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+              # The possible values are:
+              # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+              # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+              # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+        },
+        "requestId": "A String", # The client-generated unique ID for this request.
+            # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+      },
+      "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+          # Unset for a conference with a failed create request.
+          # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+        "iconUri": "A String", # The user-visible icon for this solution.
+        "name": "A String", # The user-visible name of this solution. Not localized.
+        "key": { # The key which can uniquely identify the conference solution for this event.
+          "type": "A String", # The conference solution type.
+              # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+              # The possible values are:
+              # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+              # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+              # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+        },
+      },
+      "signature": "A String", # The signature of the conference data.
+          # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+          # Unset for a conference with a failed create request.
+          # Optional for a conference with a pending create request.
+    },
   }
 
-  sendNotifications: boolean, Whether to send notifications about the event update (e.g. attendee's responses, title changes, etc.). Optional. The default is False.
+  sendNotifications: boolean, Deprecated. Please use sendUpdates instead.
+
+Whether to send notifications about the event update (for example, description changes, etc.). Note that some emails might still be sent even if you set the value to false. The default is false.
   alwaysIncludeEmail: boolean, Whether to always include a value in the email field for the organizer, creator and attendees, even if no real email is available (i.e. a generated, non-working value will be provided). The use of this option is discouraged and should only be used by clients which cannot handle the absence of an email address value in the mentioned places. Optional. The default is False.
   supportsAttachments: boolean, Whether API client performing operation supports event attachments. Optional. The default is False.
   maxAttendees: integer, The maximum number of attendees to include in the response. If there are more than the specified number of attendees, only the participant is returned. Optional.
+  conferenceDataVersion: integer, Version number of conference data supported by the API client. Version 0 assumes no conference data support and ignores conference data in the event's body. Version 1 enables support for copying of ConferenceData as well as for creating new conferences using the createRequest field of conferenceData. The default is 0.
+  sendUpdates: string, Guests who should receive notifications about the event update (for example, title changes, etc.).
+    Allowed values
+      all - Notifications are sent to all guests.
+      externalOnly - Notifications are sent to non-Google Calendar guests only.
+      none - No notifications are sent. This value should only be used for migration use cases (note that in most migration cases the import method should be used).
 
 Returns:
   An object of the form:
@@ -2096,6 +3456,7 @@
           "title": "A String", # Attachment title.
           "fileUrl": "A String", # URL link to the attachment.
               # For adding Google Drive file attachments use the same format as in alternateLink property of the Files resource in the Drive API.
+              # Required when adding an attachment.
           "iconLink": "A String", # URL link to the attachment's icon. Read-only.
           "fileId": "A String", # ID of the attached file. Read-only.
               # For Google Drive files, this is the ID of the corresponding Files resource entry in the Drive API.
@@ -2105,13 +3466,13 @@
         "self": false, # Whether the creator corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The creator's name, if available.
         "email": "A String", # The creator's email address, if available.
-        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "organizer": { # The organizer of the event. If the organizer is also an attendee, this is indicated with a separate entry in attendees with the organizer field set to True. To change the organizer, use the move operation. Read-only, except when importing an event.
         "self": false, # Whether the organizer corresponds to the calendar on which this copy of the event appears. Read-only. The default is False.
         "displayName": "A String", # The organizer's name, if available.
         "email": "A String", # The organizer's email address, if available. It must be a valid email address as per RFC5322.
-        "id": "A String", # The organizer's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+        "id": "A String", # The organizer's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
       },
       "summary": "A String", # Title of the event.
       "id": "A String", # Opaque identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
@@ -2131,12 +3492,13 @@
               # - "tentative" - The attendee has tentatively accepted the invitation.
               # - "accepted" - The attendee has accepted the invitation.
           "self": false, # Whether this entry represents the calendar on which this copy of the event appears. Read-only. The default is False.
-          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid field in the People collection of the Google+ API
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to the id field in the People collection of the Google+ API
           "additionalGuests": 0, # Number of additional guests. Optional. The default is 0.
-          "resource": false, # Whether the attendee is a resource. Read-only. The default is False.
+          "resource": false, # Whether the attendee is a resource. Can only be set when the attendee is added to the event for the first time. Subsequent modifications are ignored. Optional. The default is False.
           "organizer": True or False, # Whether the attendee is the organizer of the event. Read-only. The default is False.
           "optional": false, # Whether this is an optional attendee. Optional. The default is False.
           "email": "A String", # The attendee's email address, if available. This field must be present when adding an attendee. It must be a valid email address as per RFC5322.
+              # Required when adding an attendee.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
@@ -2172,7 +3534,13 @@
       "status": "A String", # Status of the event. Optional. Possible values are:
           # - "confirmed" - The event is confirmed. This is the default status.
           # - "tentative" - The event is tentatively confirmed.
-          # - "cancelled" - The event is cancelled.
+          # - "cancelled" - The event is cancelled (deleted). The list method returns cancelled events only on incremental sync (when syncToken or updatedMin are specified) or if the showDeleted flag is set to true. The get method always returns them.
+          # A cancelled status represents two different states depending on the event type:
+          # - Cancelled exceptions of an uncancelled recurring event indicate that this instance should no longer be presented to the user. Clients should store these events for the lifetime of the parent recurring event.
+          # Cancelled exceptions are only guaranteed to have values for the id, recurringEventId and originalStartTime fields populated. The other fields might be empty.
+          # - All other cancelled events represent deleted events. Clients should remove their locally synced copies. Such cancelled events will eventually disappear, so do not rely on them being available indefinitely.
+          # Deleted events are only guaranteed to have the id field populated.   On the organizer's calendar, cancelled events continue to expose event details (summary, location, etc.) so that they can be restored (undeleted). Similarly, the events to which the user was invited and that they manually removed continue to provide details. However, incremental sync requests with showDeleted set to false will not return these details.
+          # If an event changes its organizer (for example via the move operation) and the original organizer is not on the attendee list, it will leave behind a cancelled event where only the id field is guaranteed to be populated.
       "updated": "A String", # Last modification time of the event (as a RFC3339 timestamp). Read-only.
       "description": "A String", # Description of the event. Optional.
       "iCalUID": "A String", # Event unique identifier as defined in RFC5545. It is used to uniquely identify events accross calendaring systems and must be supplied when importing events via the import method.
@@ -2201,32 +3569,133 @@
       "attendeesOmitted": false, # Whether attendees may have been omitted from the event's representation. When retrieving an event, this may be due to a restriction specified by the maxAttendee query parameter. When updating an event, this can be used to only update the participant's response. Optional. The default is False.
       "kind": "calendar#event", # Type of the resource ("calendar#event").
       "locked": false, # Whether this is a locked event copy where no changes can be made to the main event fields "summary", "description", "location", "start", "end" or "recurrence". The default is False. Read-Only.
-      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
-      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
       "anyoneCanAddSelf": false, # Whether anyone can invite themselves to the event (currently works for Google+ events only). Optional. The default is False.
+      "colorId": "A String", # The color of the event. This is an ID referring to an entry in the event section of the colors definition (see the  colors endpoint). Optional.
+      "created": "A String", # Creation time of the event (as a RFC3339 timestamp). Read-only.
       "reminders": { # Information about the event's reminders for the authenticated user.
         "overrides": [ # If the event doesn't use the default reminders, this lists the reminders specific to the event, or, if not set, indicates that no reminders are set for this event. The maximum number of override reminders is 5.
           {
             "minutes": 42, # Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).
+                # Required when adding a reminder.
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
+                # - "sms" - Deprecated. Once this feature is shutdown, the API will no longer return reminders using this method. Any newly added SMS reminders will be ignored. See  Google Calendar SMS notifications to be removed for more information.
+                # Reminders are sent via SMS. These are only available for G Suite customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
+                # Required when adding a reminder.
           },
         ],
         "useDefault": True or False, # Whether the default reminders of the calendar apply to the event.
       },
       "guestsCanSeeOtherGuests": true, # Whether attendees other than the organizer can see who the event's attendees are. Optional. The default is True.
-      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. Immutable.
+      "originalStartTime": { # For an instance of a recurring event, this is the time at which this event would start according to the recurrence data in the recurring event identified by recurringEventId. It uniquely identifies the instance within the recurring event series even if the instance was moved to a different time. Immutable.
         "date": "A String", # The date, in the format "yyyy-mm-dd", if this is an all-day event.
         "timeZone": "A String", # The time zone in which the time is specified. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) For recurring events this field is required and specifies the time zone in which the recurrence is expanded. For single events this field is optional and indicates a custom time zone for the event start/end.
         "dateTime": "A String", # The time, as a combined date-time value (formatted according to RFC3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
       },
       "guestsCanInviteOthers": true, # Whether attendees other than the organizer can invite others to the event. Optional. The default is True.
       "transparency": "opaque", # Whether the event blocks time on the calendar. Optional. Possible values are:
-          # - "opaque" - The event blocks time on the calendar. This is the default value.
-          # - "transparent" - The event does not block time on the calendar.
+          # - "opaque" - Default value. The event does block time on the calendar. This is equivalent to setting Show me as to Busy in the Calendar UI.
+          # - "transparent" - The event does not block time on the calendar. This is equivalent to setting Show me as to Available in the Calendar UI.
       "privateCopy": false, # Whether this is a private event copy where changes are not shared with other copies on other calendars. Optional. Immutable. The default is False.
+      "conferenceData": { # The conference-related information, such as details of a Hangouts Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
+        "entryPoints": [ # Information about individual conference entry points, such as URLs or phone numbers.
+            # All of them must belong to the same conference.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          {
+            "password": "A String", # The password to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "meetingCode": "A String", # The meeting code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "pin": "A String", # The PIN to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+            "uri": "A String", # The URI of the entry point. The maximum length is 1300 characters.
+                # Format:
+                # - for video, http: or https: schema is required.
+                # - for phone, tel: schema is required. The URI should include the entire dial sequence (e.g., tel:+12345678900,,,123456789;1234).
+                # - for sip, sip: schema is required, e.g., sip:12345678@myprovider.com.
+                # - for more, http: or https: schema is required.
+            "entryPointFeatures": [ # Features of the entry point, such as being toll or toll-free. One entry point can have multiple features. However, toll and toll-free cannot be both set on the same entry point.
+              "A String",
+            ],
+            "label": "A String", # The label for the URI. Visible to end users. Not localized. The maximum length is 512 characters.
+                # Examples:
+                # - for video: meet.google.com/aaa-bbbb-ccc
+                # - for phone: +1 123 268 2601
+                # - for sip: 12345678@altostrat.com
+                # - for more: should not be filled
+                # Optional.
+            "entryPointType": "A String", # The type of the conference entry point.
+                # Possible values are:
+                # - "video" - joining a conference over HTTP. A conference can have zero or one video entry point.
+                # - "phone" - joining a conference by dialing a phone number. A conference can have zero or more phone entry points.
+                # - "sip" - joining a conference over SIP. A conference can have zero or one sip entry point.
+                # - "more" - further conference joining instructions, for example additional phone numbers. A conference can have zero or one more entry point. A conference with only a more entry point is not a valid conference.
+            "regionCode": "A String", # The CLDR/ISO 3166 region code for the country associated with this phone access. Example: "SE" for Sweden.
+                # Calendar backend will populate this field only for EntryPointType.PHONE.
+            "passcode": "A String", # The passcode to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+            "accessCode": "A String", # The access code to access the conference. The maximum length is 128 characters.
+                # When creating new conference data, populate only the subset of {meetingCode, accessCode, passcode, password, pin} fields that match the terminology that the conference provider uses. Only the populated fields should be displayed.
+                # Optional.
+          },
+        ],
+        "parameters": { # Additional properties related to a conference. An example would be a solution-specific setting for enabling video streaming.
+          "addOnParameters": { # Additional add-on specific data.
+            "parameters": {
+              "a_key": "A String",
+            },
+          },
+        },
+        "notes": "A String", # Additional notes (such as instructions from the domain administrator, legal notices) to display to the user. Can contain HTML. The maximum length is 2048 characters. Optional.
+        "conferenceId": "A String", # The ID of the conference.
+            # Can be used by developers to keep track of conferences, should not be displayed to users.
+            # Values for solution types:
+            # - "eventHangout": unset.
+            # - "eventNamedHangout": the name of the Hangout.
+            # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".  Optional.
+        "createRequest": { # A request to generate a new conference and attach it to the event. The data is generated asynchronously. To see whether the data is present check the status field.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "status": { # The status of the conference create request.
+            "statusCode": "A String", # The current status of the conference create request. Read-only.
+                # The possible values are:
+                # - "pending": the conference create request is still being processed.
+                # - "success": the conference create request succeeded, the entry points are populated.
+                # - "failure": the conference create request failed, there are no entry points.
+          },
+          "conferenceSolutionKey": { # The conference solution, such as Hangouts or Hangouts Meet.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+          "requestId": "A String", # The client-generated unique ID for this request.
+              # Clients should regenerate this ID for every new request. If an ID provided is the same as for the previous request, the request is ignored.
+        },
+        "conferenceSolution": { # The conference solution, such as Hangouts or Hangouts Meet.
+            # Unset for a conference with a failed create request.
+            # Either conferenceSolution and at least one entryPoint, or createRequest is required.
+          "iconUri": "A String", # The user-visible icon for this solution.
+          "name": "A String", # The user-visible name of this solution. Not localized.
+          "key": { # The key which can uniquely identify the conference solution for this event.
+            "type": "A String", # The conference solution type.
+                # If a client encounters an unfamiliar or empty type, it should still be able to display the entry points. However, it should disallow modifications.
+                # The possible values are:
+                # - "eventHangout" for Hangouts for consumers (http://hangouts.google.com)
+                # - "eventNamedHangout" for classic Hangouts for G Suite users (http://hangouts.google.com)
+                # - "hangoutsMeet" for Hangouts Meet (http://meet.google.com)
+          },
+        },
+        "signature": "A String", # The signature of the conference data.
+            # Generated on server side. Must be preserved while copying the conference data between events, otherwise the conference data will not be copied.
+            # Unset for a conference with a failed create request.
+            # Optional for a conference with a pending create request.
+      },
     }</pre>
 </div>
 
@@ -2259,7 +3728,7 @@
       startTime - Order by the start date/time (ascending). This is only available when querying single events (i.e. the parameter singleEvents is True)
       updated - Order by last modification time (ascending).
   showHiddenInvitations: boolean, Whether to include hidden invitations in the result. Optional. The default is False.
-  timeMin: string, Lower bound (inclusive) for an event's end time to filter by. Optional. The default is not to filter by end time. Must be an RFC3339 timestamp with mandatory time zone offset, e.g., 2011-06-03T10:00:00-07:00, 2011-06-03T10:00:00Z. Milliseconds may be provided but will be ignored.
+  timeMin: string, Lower bound (exclusive) for an event's end time to filter by. Optional. The default is not to filter by end time. Must be an RFC3339 timestamp with mandatory time zone offset, for example, 2011-06-03T10:00:00-07:00, 2011-06-03T10:00:00Z. Milliseconds may be provided but are ignored. If timeMax is set, timeMin must be smaller than timeMax.
   privateExtendedProperty: string, Extended properties constraint specified as propertyName=value. Matches only private properties. This parameter might be repeated multiple times to return events that match all given constraints. (repeated)
   pageToken: string, Token specifying which result page to return. Optional.
   updatedMin: string, Lower bound for an event's last modification time (as a RFC3339 timestamp) to filter by. When specified, entries deleted since this time will always be included regardless of showDeleted. Optional. The default is not to filter by last modification time.
@@ -2284,7 +3753,7 @@
 Optional. The default is to return all entries.
   iCalUID: string, Specifies event ID in the iCalendar format to be included in the response. Optional.
   maxResults: integer, Maximum number of events returned on one result page. The number of events in the resulting page may be less than this value, or none at all, even if there are more events matching the query. Incomplete pages can be detected by a non-empty nextPageToken field in the response. By default the value is 250 events. The page size can never be larger than 2500 events. Optional.
-  timeMax: string, Upper bound (exclusive) for an event's start time to filter by. Optional. The default is not to filter by start time. Must be an RFC3339 timestamp with mandatory time zone offset, e.g., 2011-06-03T10:00:00-07:00, 2011-06-03T10:00:00Z. Milliseconds may be provided but will be ignored.
+  timeMax: string, Upper bound (exclusive) for an event's start time to filter by. Optional. The default is not to filter by start time. Must be an RFC3339 timestamp with mandatory time zone offset, for example, 2011-06-03T10:00:00-07:00, 2011-06-03T10:00:00Z. Milliseconds may be provided but are ignored. If timeMin is set, timeMax must be greater than timeMin.
   q: string, Free text search terms to find events that match these terms in any field, except for extended properties. Optional.
   timeZone: string, Time zone used in the response. Optional. The default is the time zone of the calendar.