Update docs for 1.4.2 release
diff --git a/docs/dyn/calendar_v3.events.html b/docs/dyn/calendar_v3.events.html
index 746c45c..9021ef4 100644
--- a/docs/dyn/calendar_v3.events.html
+++ b/docs/dyn/calendar_v3.events.html
@@ -81,10 +81,10 @@
   <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)</a></code></p>
+  <code><a href="#import_">import_(calendarId, body, supportsAttachments=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, maxAttendees=None)</a></code></p>
+  <code><a href="#insert">insert(calendarId, body, sendNotifications=None, supportsAttachments=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>
@@ -102,13 +102,13 @@
   <code><a href="#move">move(calendarId, eventId, destination, sendNotifications=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, maxAttendees=None)</a></code></p>
+  <code><a href="#patch">patch(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=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>
 <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, maxAttendees=None)</a></code></p>
+  <code><a href="#update">update(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=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>
@@ -119,7 +119,7 @@
   <pre>Deletes an event.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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.
 </pre>
@@ -130,7 +130,7 @@
   <pre>Returns an event.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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)
   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.
   timeZone: string, Time zone used in the response. Optional. The default is the time zone of the calendar.
@@ -140,25 +140,40 @@
   An object of the form:
 
     {
+      "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+          # In order to modify attachments the supportsAttachments request parameter should be set to true.
+          # There can be at most 25 attachments per event,
+        {
+          "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+          "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.
+          "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.
+        },
+      ],
       "creator": { # The creator of the event. Read-only.
         "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.
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-        "id": "A String", # The organizer's Profile ID, 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
       },
       "summary": "A String", # Title of the event.
-      "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+      "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:
           # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
           # - the length of the ID must be between 5 and 1024 characters
           # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+          # If you do not specify an ID, it will be automatically generated by the server.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-      "attendees": [ # The attendees of the event.
+      "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
         {
           "comment": "A String", # The attendee's response comment. Optional.
           "displayName": "A String", # The attendee's name, if available. Optional.
@@ -168,51 +183,52 @@
               # - "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.
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
           "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.
+          "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.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
         "A String",
       ],
-      "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-        "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+      "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+        "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
         "title": "A String", # Title of the source; for example a title of a web page or an email subject.
       },
       "etag": "A String", # ETag of the resource.
       "location": "A String", # Geographic location of the event as free-form text. Optional.
-      "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+      "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
       "gadget": { # A gadget that extends this event.
         "preferences": { # Preferences.
           "a_key": "A String", # The preference name and corresponding value.
         },
         "title": "A String", # The gadget's title.
-        "height": 42, # The gadget's height in pixels. Optional.
-        "width": 42, # The gadget's width in pixels. Optional.
-        "link": "A String", # The gadget's URL.
+        "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+        "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+        "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
         "type": "A String", # The gadget's type.
         "display": "A String", # The gadget's display mode. Optional. Possible values are:
             # - "icon" - The gadget displays next to the event's title in the calendar view.
             # - "chip" - The gadget displays when the event is clicked.
-        "iconLink": "A String", # The gadget's icon URL.
+        "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
       },
       "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.
-      "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+      "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 ID in the iCalendar format.
+      "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.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "extendedProperties": { # Extended properties of the event.
         "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
           "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -232,21 +248,21 @@
       "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "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 RFC 3339 timestamp). 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. Optional. The default is False.
       "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.
+        "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.
+            "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).
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS.
+                # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
           },
         ],
@@ -256,7 +272,7 @@
       "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.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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:
@@ -267,34 +283,49 @@
 </div>
 
 <div class="method">
-    <code class="details" id="import_">import_(calendarId, body)</code>
+    <code class="details" id="import_">import_(calendarId, body, supportsAttachments=None)</code>
   <pre>Imports an event. This operation is used to add a private copy of an existing event to a calendar.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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)
   body: object, The request body. (required)
     The object takes the form of:
 
 {
+    "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+        # In order to modify attachments the supportsAttachments request parameter should be set to true.
+        # There can be at most 25 attachments per event,
+      {
+        "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+        "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.
+        "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.
+      },
+    ],
     "creator": { # The creator of the event. Read-only.
       "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.
+      "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-      "id": "A String", # The organizer's Profile ID, 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
     },
     "summary": "A String", # Title of the event.
-    "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+    "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:
         # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
         # - the length of the ID must be between 5 and 1024 characters
         # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+        # If you do not specify an ID, it will be automatically generated by the server.
+        # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
     "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-    "attendees": [ # The attendees of the event.
+    "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
       {
         "comment": "A String", # The attendee's response comment. Optional.
         "displayName": "A String", # The attendee's name, if available. Optional.
@@ -304,51 +335,52 @@
             # - "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.
+        "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
         "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.
+        "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.
       },
     ],
     "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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.
     },
     "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-    "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+    "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
       "A String",
     ],
-    "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-      "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+    "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+      "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
       "title": "A String", # Title of the source; for example a title of a web page or an email subject.
     },
     "etag": "A String", # ETag of the resource.
     "location": "A String", # Geographic location of the event as free-form text. Optional.
-    "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+    "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
     "gadget": { # A gadget that extends this event.
       "preferences": { # Preferences.
         "a_key": "A String", # The preference name and corresponding value.
       },
       "title": "A String", # The gadget's title.
-      "height": 42, # The gadget's height in pixels. Optional.
-      "width": 42, # The gadget's width in pixels. Optional.
-      "link": "A String", # The gadget's URL.
+      "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+      "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+      "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
       "type": "A String", # The gadget's type.
       "display": "A String", # The gadget's display mode. Optional. Possible values are:
           # - "icon" - The gadget displays next to the event's title in the calendar view.
           # - "chip" - The gadget displays when the event is clicked.
-      "iconLink": "A String", # The gadget's icon URL.
+      "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
     },
     "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.
-    "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+    "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 ID in the iCalendar format.
+    "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.
+        # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
     "extendedProperties": { # Extended properties of the event.
       "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
         "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -368,21 +400,21 @@
     "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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.
     },
     "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 RFC 3339 timestamp). 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. Optional. The default is False.
     "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.
+      "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.
+          "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).
           "method": "A String", # The method used by this reminder. Possible values are:
               # - "email" - Reminders are sent via email.
-              # - "sms" - Reminders are sent via SMS.
+              # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
               # - "popup" - Reminders are sent via a UI popup.
         },
       ],
@@ -392,7 +424,7 @@
     "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.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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:
@@ -401,30 +433,46 @@
     "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.
   }
 
+  supportsAttachments: boolean, Whether API client performing operation supports event attachments. Optional. The default is False.
 
 Returns:
   An object of the form:
 
     {
+      "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+          # In order to modify attachments the supportsAttachments request parameter should be set to true.
+          # There can be at most 25 attachments per event,
+        {
+          "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+          "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.
+          "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.
+        },
+      ],
       "creator": { # The creator of the event. Read-only.
         "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.
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-        "id": "A String", # The organizer's Profile ID, 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
       },
       "summary": "A String", # Title of the event.
-      "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+      "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:
           # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
           # - the length of the ID must be between 5 and 1024 characters
           # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+          # If you do not specify an ID, it will be automatically generated by the server.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-      "attendees": [ # The attendees of the event.
+      "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
         {
           "comment": "A String", # The attendee's response comment. Optional.
           "displayName": "A String", # The attendee's name, if available. Optional.
@@ -434,51 +482,52 @@
               # - "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.
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
           "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.
+          "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.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
         "A String",
       ],
-      "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-        "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+      "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+        "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
         "title": "A String", # Title of the source; for example a title of a web page or an email subject.
       },
       "etag": "A String", # ETag of the resource.
       "location": "A String", # Geographic location of the event as free-form text. Optional.
-      "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+      "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
       "gadget": { # A gadget that extends this event.
         "preferences": { # Preferences.
           "a_key": "A String", # The preference name and corresponding value.
         },
         "title": "A String", # The gadget's title.
-        "height": 42, # The gadget's height in pixels. Optional.
-        "width": 42, # The gadget's width in pixels. Optional.
-        "link": "A String", # The gadget's URL.
+        "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+        "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+        "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
         "type": "A String", # The gadget's type.
         "display": "A String", # The gadget's display mode. Optional. Possible values are:
             # - "icon" - The gadget displays next to the event's title in the calendar view.
             # - "chip" - The gadget displays when the event is clicked.
-        "iconLink": "A String", # The gadget's icon URL.
+        "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
       },
       "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.
-      "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+      "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 ID in the iCalendar format.
+      "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.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "extendedProperties": { # Extended properties of the event.
         "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
           "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -498,21 +547,21 @@
       "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "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 RFC 3339 timestamp). 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. Optional. The default is False.
       "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.
+        "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.
+            "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).
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS.
+                # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
           },
         ],
@@ -522,7 +571,7 @@
       "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.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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:
@@ -533,34 +582,49 @@
 </div>
 
 <div class="method">
-    <code class="details" id="insert">insert(calendarId, body, sendNotifications=None, maxAttendees=None)</code>
+    <code class="details" id="insert">insert(calendarId, body, sendNotifications=None, supportsAttachments=None, maxAttendees=None)</code>
   <pre>Creates an event.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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)
   body: object, The request body. (required)
     The object takes the form of:
 
 {
+    "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+        # In order to modify attachments the supportsAttachments request parameter should be set to true.
+        # There can be at most 25 attachments per event,
+      {
+        "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+        "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.
+        "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.
+      },
+    ],
     "creator": { # The creator of the event. Read-only.
       "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.
+      "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-      "id": "A String", # The organizer's Profile ID, 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
     },
     "summary": "A String", # Title of the event.
-    "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+    "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:
         # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
         # - the length of the ID must be between 5 and 1024 characters
         # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+        # If you do not specify an ID, it will be automatically generated by the server.
+        # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
     "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-    "attendees": [ # The attendees of the event.
+    "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
       {
         "comment": "A String", # The attendee's response comment. Optional.
         "displayName": "A String", # The attendee's name, if available. Optional.
@@ -570,51 +634,52 @@
             # - "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.
+        "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
         "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.
+        "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.
       },
     ],
     "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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.
     },
     "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-    "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+    "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
       "A String",
     ],
-    "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-      "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+    "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+      "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
       "title": "A String", # Title of the source; for example a title of a web page or an email subject.
     },
     "etag": "A String", # ETag of the resource.
     "location": "A String", # Geographic location of the event as free-form text. Optional.
-    "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+    "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
     "gadget": { # A gadget that extends this event.
       "preferences": { # Preferences.
         "a_key": "A String", # The preference name and corresponding value.
       },
       "title": "A String", # The gadget's title.
-      "height": 42, # The gadget's height in pixels. Optional.
-      "width": 42, # The gadget's width in pixels. Optional.
-      "link": "A String", # The gadget's URL.
+      "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+      "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+      "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
       "type": "A String", # The gadget's type.
       "display": "A String", # The gadget's display mode. Optional. Possible values are:
           # - "icon" - The gadget displays next to the event's title in the calendar view.
           # - "chip" - The gadget displays when the event is clicked.
-      "iconLink": "A String", # The gadget's icon URL.
+      "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
     },
     "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.
-    "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+    "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 ID in the iCalendar format.
+    "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.
+        # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
     "extendedProperties": { # Extended properties of the event.
       "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
         "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -634,21 +699,21 @@
     "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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.
     },
     "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 RFC 3339 timestamp). 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. Optional. The default is False.
     "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.
+      "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.
+          "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).
           "method": "A String", # The method used by this reminder. Possible values are:
               # - "email" - Reminders are sent via email.
-              # - "sms" - Reminders are sent via SMS.
+              # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
               # - "popup" - Reminders are sent via a UI popup.
         },
       ],
@@ -658,7 +723,7 @@
     "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.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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:
@@ -668,31 +733,47 @@
   }
 
   sendNotifications: boolean, Whether to send notifications about the creation of the new event. 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.
 
 Returns:
   An object of the form:
 
     {
+      "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+          # In order to modify attachments the supportsAttachments request parameter should be set to true.
+          # There can be at most 25 attachments per event,
+        {
+          "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+          "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.
+          "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.
+        },
+      ],
       "creator": { # The creator of the event. Read-only.
         "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.
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-        "id": "A String", # The organizer's Profile ID, 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
       },
       "summary": "A String", # Title of the event.
-      "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+      "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:
           # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
           # - the length of the ID must be between 5 and 1024 characters
           # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+          # If you do not specify an ID, it will be automatically generated by the server.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-      "attendees": [ # The attendees of the event.
+      "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
         {
           "comment": "A String", # The attendee's response comment. Optional.
           "displayName": "A String", # The attendee's name, if available. Optional.
@@ -702,51 +783,52 @@
               # - "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.
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
           "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.
+          "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.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
         "A String",
       ],
-      "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-        "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+      "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+        "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
         "title": "A String", # Title of the source; for example a title of a web page or an email subject.
       },
       "etag": "A String", # ETag of the resource.
       "location": "A String", # Geographic location of the event as free-form text. Optional.
-      "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+      "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
       "gadget": { # A gadget that extends this event.
         "preferences": { # Preferences.
           "a_key": "A String", # The preference name and corresponding value.
         },
         "title": "A String", # The gadget's title.
-        "height": 42, # The gadget's height in pixels. Optional.
-        "width": 42, # The gadget's width in pixels. Optional.
-        "link": "A String", # The gadget's URL.
+        "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+        "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+        "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
         "type": "A String", # The gadget's type.
         "display": "A String", # The gadget's display mode. Optional. Possible values are:
             # - "icon" - The gadget displays next to the event's title in the calendar view.
             # - "chip" - The gadget displays when the event is clicked.
-        "iconLink": "A String", # The gadget's icon URL.
+        "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
       },
       "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.
-      "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+      "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 ID in the iCalendar format.
+      "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.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "extendedProperties": { # Extended properties of the event.
         "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
           "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -766,21 +848,21 @@
       "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "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 RFC 3339 timestamp). 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. Optional. The default is False.
       "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.
+        "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.
+            "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).
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS.
+                # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
           },
         ],
@@ -790,7 +872,7 @@
       "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.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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:
@@ -805,15 +887,15 @@
   <pre>Returns instances of the specified recurring event.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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, Recurring event identifier. (required)
-  timeMin: string, Lower bound (inclusive) for an event's end time to filter by. Optional. The default is not to filter by end time.
+  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.
   showDeleted: boolean, Whether to include deleted events (with status equals "cancelled") in the result. Cancelled instances of recurring events will still be included if singleEvents is False. Optional. 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.
   pageToken: string, Token specifying which result page to return. Optional.
   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.
   maxResults: integer, Maximum number of events returned on one result page. 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.
+  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.
   timeZone: string, Time zone used in the response. Optional. The default is the time zone of the calendar.
   originalStart: string, The original start time of the instance in the result. Optional.
 
@@ -825,35 +907,50 @@
     "kind": "calendar#events", # Type of the collection ("calendar#events").
     "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.
+        "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).
         "method": "A String", # The method used by this reminder. Possible values are:
             # - "email" - Reminders are sent via email.
-            # - "sms" - Reminders are sent via SMS.
+            # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
             # - "popup" - Reminders are sent via a UI popup.
       },
     ],
     "description": "A String", # Description of the calendar. Read-only.
     "items": [ # List of events on the calendar.
       {
+          "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+              # In order to modify attachments the supportsAttachments request parameter should be set to true.
+              # There can be at most 25 attachments per event,
+            {
+              "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+              "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.
+              "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.
+            },
+          ],
           "creator": { # The creator of the event. Read-only.
             "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.
+            "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-            "id": "A String", # The organizer's Profile ID, 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
           },
           "summary": "A String", # Title of the event.
-          "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+          "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:
               # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
               # - the length of the ID must be between 5 and 1024 characters
               # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+              # If you do not specify an ID, it will be automatically generated by the server.
+              # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
           "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-          "attendees": [ # The attendees of the event.
+          "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
             {
               "comment": "A String", # The attendee's response comment. Optional.
               "displayName": "A String", # The attendee's name, if available. Optional.
@@ -863,51 +960,52 @@
                   # - "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.
+              "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
               "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.
+              "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.
             },
           ],
           "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
             "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+            "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.
           },
           "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-          "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+          "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
             "A String",
           ],
-          "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-            "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+          "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+            "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
             "title": "A String", # Title of the source; for example a title of a web page or an email subject.
           },
           "etag": "A String", # ETag of the resource.
           "location": "A String", # Geographic location of the event as free-form text. Optional.
-          "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+          "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
           "gadget": { # A gadget that extends this event.
             "preferences": { # Preferences.
               "a_key": "A String", # The preference name and corresponding value.
             },
             "title": "A String", # The gadget's title.
-            "height": 42, # The gadget's height in pixels. Optional.
-            "width": 42, # The gadget's width in pixels. Optional.
-            "link": "A String", # The gadget's URL.
+            "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+            "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+            "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
             "type": "A String", # The gadget's type.
             "display": "A String", # The gadget's display mode. Optional. Possible values are:
                 # - "icon" - The gadget displays next to the event's title in the calendar view.
                 # - "chip" - The gadget displays when the event is clicked.
-            "iconLink": "A String", # The gadget's icon URL.
+            "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
           },
           "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.
-          "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+          "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 ID in the iCalendar format.
+          "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.
+              # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
           "extendedProperties": { # Extended properties of the event.
             "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
               "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -927,21 +1025,21 @@
           "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
             "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+            "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.
           },
           "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 RFC 3339 timestamp). 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. Optional. The default is False.
           "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.
+            "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.
+                "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).
                 "method": "A String", # The method used by this reminder. Possible values are:
                     # - "email" - Reminders are sent via email.
-                    # - "sms" - Reminders are sent via SMS.
+                    # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
                     # - "popup" - Reminders are sent via a UI popup.
               },
             ],
@@ -951,7 +1049,7 @@
           "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.
             "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+            "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:
@@ -960,7 +1058,7 @@
           "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.
         },
     ],
-    "updated": "A String", # Last modification time of the calendar (as a RFC 3339 timestamp). Read-only.
+    "updated": "A String", # Last modification time of the calendar (as a RFC3339 timestamp). Read-only.
     "summary": "A String", # Title of the calendar. Read-only.
     "etag": "A String", # ETag of the collection.
     "timeZone": "A String", # The time zone of the calendar. Read-only.
@@ -993,16 +1091,16 @@
   <pre>Returns events on the specified calendar.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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)
   orderBy: string, The order of the events returned in the result. Optional. The default is an unspecified, stable order.
     Allowed values
       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.
+  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.
   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 RFC 3339 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.
+  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.
   singleEvents: boolean, Whether to expand recurring events into instances and only return single one-off events and instances of recurring events, but not the underlying recurring events themselves. Optional. 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.
   showDeleted: boolean, Whether to include deleted events (with status equals "cancelled") in the result. Cancelled instances of recurring events (but not the underlying recurring event) will still be included if showDeleted and singleEvents are both False. If showDeleted and singleEvents are both True, only single instances of deleted events (but not the underlying recurring events) are returned. Optional. The default is False.
@@ -1024,7 +1122,7 @@
 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. 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.
+  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.
   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.
 
@@ -1036,35 +1134,50 @@
     "kind": "calendar#events", # Type of the collection ("calendar#events").
     "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.
+        "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).
         "method": "A String", # The method used by this reminder. Possible values are:
             # - "email" - Reminders are sent via email.
-            # - "sms" - Reminders are sent via SMS.
+            # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
             # - "popup" - Reminders are sent via a UI popup.
       },
     ],
     "description": "A String", # Description of the calendar. Read-only.
     "items": [ # List of events on the calendar.
       {
+          "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+              # In order to modify attachments the supportsAttachments request parameter should be set to true.
+              # There can be at most 25 attachments per event,
+            {
+              "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+              "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.
+              "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.
+            },
+          ],
           "creator": { # The creator of the event. Read-only.
             "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.
+            "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-            "id": "A String", # The organizer's Profile ID, 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
           },
           "summary": "A String", # Title of the event.
-          "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+          "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:
               # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
               # - the length of the ID must be between 5 and 1024 characters
               # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+              # If you do not specify an ID, it will be automatically generated by the server.
+              # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
           "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-          "attendees": [ # The attendees of the event.
+          "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
             {
               "comment": "A String", # The attendee's response comment. Optional.
               "displayName": "A String", # The attendee's name, if available. Optional.
@@ -1074,51 +1187,52 @@
                   # - "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.
+              "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
               "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.
+              "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.
             },
           ],
           "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
             "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+            "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.
           },
           "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-          "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+          "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
             "A String",
           ],
-          "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-            "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+          "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+            "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
             "title": "A String", # Title of the source; for example a title of a web page or an email subject.
           },
           "etag": "A String", # ETag of the resource.
           "location": "A String", # Geographic location of the event as free-form text. Optional.
-          "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+          "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
           "gadget": { # A gadget that extends this event.
             "preferences": { # Preferences.
               "a_key": "A String", # The preference name and corresponding value.
             },
             "title": "A String", # The gadget's title.
-            "height": 42, # The gadget's height in pixels. Optional.
-            "width": 42, # The gadget's width in pixels. Optional.
-            "link": "A String", # The gadget's URL.
+            "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+            "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+            "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
             "type": "A String", # The gadget's type.
             "display": "A String", # The gadget's display mode. Optional. Possible values are:
                 # - "icon" - The gadget displays next to the event's title in the calendar view.
                 # - "chip" - The gadget displays when the event is clicked.
-            "iconLink": "A String", # The gadget's icon URL.
+            "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
           },
           "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.
-          "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+          "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 ID in the iCalendar format.
+          "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.
+              # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
           "extendedProperties": { # Extended properties of the event.
             "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
               "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -1138,21 +1252,21 @@
           "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
             "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+            "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.
           },
           "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 RFC 3339 timestamp). 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. Optional. The default is False.
           "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.
+            "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.
+                "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).
                 "method": "A String", # The method used by this reminder. Possible values are:
                     # - "email" - Reminders are sent via email.
-                    # - "sms" - Reminders are sent via SMS.
+                    # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
                     # - "popup" - Reminders are sent via a UI popup.
               },
             ],
@@ -1162,7 +1276,7 @@
           "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.
             "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+            "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:
@@ -1171,7 +1285,7 @@
           "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.
         },
     ],
-    "updated": "A String", # Last modification time of the calendar (as a RFC 3339 timestamp). Read-only.
+    "updated": "A String", # Last modification time of the calendar (as a RFC3339 timestamp). Read-only.
     "summary": "A String", # Title of the calendar. Read-only.
     "etag": "A String", # ETag of the collection.
     "timeZone": "A String", # The time zone of the calendar. Read-only.
@@ -1213,25 +1327,40 @@
   An object of the form:
 
     {
+      "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+          # In order to modify attachments the supportsAttachments request parameter should be set to true.
+          # There can be at most 25 attachments per event,
+        {
+          "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+          "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.
+          "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.
+        },
+      ],
       "creator": { # The creator of the event. Read-only.
         "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.
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-        "id": "A String", # The organizer's Profile ID, 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
       },
       "summary": "A String", # Title of the event.
-      "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+      "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:
           # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
           # - the length of the ID must be between 5 and 1024 characters
           # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+          # If you do not specify an ID, it will be automatically generated by the server.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-      "attendees": [ # The attendees of the event.
+      "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
         {
           "comment": "A String", # The attendee's response comment. Optional.
           "displayName": "A String", # The attendee's name, if available. Optional.
@@ -1241,51 +1370,52 @@
               # - "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.
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
           "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.
+          "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.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
         "A String",
       ],
-      "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-        "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+      "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+        "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
         "title": "A String", # Title of the source; for example a title of a web page or an email subject.
       },
       "etag": "A String", # ETag of the resource.
       "location": "A String", # Geographic location of the event as free-form text. Optional.
-      "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+      "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
       "gadget": { # A gadget that extends this event.
         "preferences": { # Preferences.
           "a_key": "A String", # The preference name and corresponding value.
         },
         "title": "A String", # The gadget's title.
-        "height": 42, # The gadget's height in pixels. Optional.
-        "width": 42, # The gadget's width in pixels. Optional.
-        "link": "A String", # The gadget's URL.
+        "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+        "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+        "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
         "type": "A String", # The gadget's type.
         "display": "A String", # The gadget's display mode. Optional. Possible values are:
             # - "icon" - The gadget displays next to the event's title in the calendar view.
             # - "chip" - The gadget displays when the event is clicked.
-        "iconLink": "A String", # The gadget's icon URL.
+        "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
       },
       "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.
-      "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+      "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 ID in the iCalendar format.
+      "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.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "extendedProperties": { # Extended properties of the event.
         "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
           "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -1305,21 +1435,21 @@
       "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "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 RFC 3339 timestamp). 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. Optional. The default is False.
       "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.
+        "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.
+            "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).
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS.
+                # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
           },
         ],
@@ -1329,7 +1459,7 @@
       "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.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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:
@@ -1340,35 +1470,50 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, maxAttendees=None)</code>
+    <code class="details" id="patch">patch(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None)</code>
   <pre>Updates an event. This method supports patch semantics.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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)
   body: object, The request body. (required)
     The object takes the form of:
 
 {
+    "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+        # In order to modify attachments the supportsAttachments request parameter should be set to true.
+        # There can be at most 25 attachments per event,
+      {
+        "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+        "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.
+        "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.
+      },
+    ],
     "creator": { # The creator of the event. Read-only.
       "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.
+      "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-      "id": "A String", # The organizer's Profile ID, 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
     },
     "summary": "A String", # Title of the event.
-    "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+    "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:
         # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
         # - the length of the ID must be between 5 and 1024 characters
         # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+        # If you do not specify an ID, it will be automatically generated by the server.
+        # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
     "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-    "attendees": [ # The attendees of the event.
+    "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
       {
         "comment": "A String", # The attendee's response comment. Optional.
         "displayName": "A String", # The attendee's name, if available. Optional.
@@ -1378,51 +1523,52 @@
             # - "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.
+        "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
         "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.
+        "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.
       },
     ],
     "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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.
     },
     "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-    "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+    "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
       "A String",
     ],
-    "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-      "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+    "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+      "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
       "title": "A String", # Title of the source; for example a title of a web page or an email subject.
     },
     "etag": "A String", # ETag of the resource.
     "location": "A String", # Geographic location of the event as free-form text. Optional.
-    "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+    "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
     "gadget": { # A gadget that extends this event.
       "preferences": { # Preferences.
         "a_key": "A String", # The preference name and corresponding value.
       },
       "title": "A String", # The gadget's title.
-      "height": 42, # The gadget's height in pixels. Optional.
-      "width": 42, # The gadget's width in pixels. Optional.
-      "link": "A String", # The gadget's URL.
+      "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+      "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+      "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
       "type": "A String", # The gadget's type.
       "display": "A String", # The gadget's display mode. Optional. Possible values are:
           # - "icon" - The gadget displays next to the event's title in the calendar view.
           # - "chip" - The gadget displays when the event is clicked.
-      "iconLink": "A String", # The gadget's icon URL.
+      "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
     },
     "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.
-    "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+    "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 ID in the iCalendar format.
+    "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.
+        # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
     "extendedProperties": { # Extended properties of the event.
       "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
         "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -1442,21 +1588,21 @@
     "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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.
     },
     "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 RFC 3339 timestamp). 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. Optional. The default is False.
     "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.
+      "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.
+          "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).
           "method": "A String", # The method used by this reminder. Possible values are:
               # - "email" - Reminders are sent via email.
-              # - "sms" - Reminders are sent via SMS.
+              # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
               # - "popup" - Reminders are sent via a UI popup.
         },
       ],
@@ -1466,7 +1612,7 @@
     "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.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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:
@@ -1477,31 +1623,47 @@
 
   sendNotifications: boolean, Whether to send notifications about the event update (e.g. attendee's responses, title changes, etc.). Optional. 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.
 
 Returns:
   An object of the form:
 
     {
+      "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+          # In order to modify attachments the supportsAttachments request parameter should be set to true.
+          # There can be at most 25 attachments per event,
+        {
+          "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+          "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.
+          "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.
+        },
+      ],
       "creator": { # The creator of the event. Read-only.
         "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.
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-        "id": "A String", # The organizer's Profile ID, 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
       },
       "summary": "A String", # Title of the event.
-      "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+      "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:
           # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
           # - the length of the ID must be between 5 and 1024 characters
           # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+          # If you do not specify an ID, it will be automatically generated by the server.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-      "attendees": [ # The attendees of the event.
+      "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
         {
           "comment": "A String", # The attendee's response comment. Optional.
           "displayName": "A String", # The attendee's name, if available. Optional.
@@ -1511,51 +1673,52 @@
               # - "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.
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
           "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.
+          "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.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
         "A String",
       ],
-      "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-        "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+      "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+        "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
         "title": "A String", # Title of the source; for example a title of a web page or an email subject.
       },
       "etag": "A String", # ETag of the resource.
       "location": "A String", # Geographic location of the event as free-form text. Optional.
-      "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+      "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
       "gadget": { # A gadget that extends this event.
         "preferences": { # Preferences.
           "a_key": "A String", # The preference name and corresponding value.
         },
         "title": "A String", # The gadget's title.
-        "height": 42, # The gadget's height in pixels. Optional.
-        "width": 42, # The gadget's width in pixels. Optional.
-        "link": "A String", # The gadget's URL.
+        "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+        "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+        "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
         "type": "A String", # The gadget's type.
         "display": "A String", # The gadget's display mode. Optional. Possible values are:
             # - "icon" - The gadget displays next to the event's title in the calendar view.
             # - "chip" - The gadget displays when the event is clicked.
-        "iconLink": "A String", # The gadget's icon URL.
+        "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
       },
       "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.
-      "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+      "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 ID in the iCalendar format.
+      "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.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "extendedProperties": { # Extended properties of the event.
         "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
           "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -1575,21 +1738,21 @@
       "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "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 RFC 3339 timestamp). 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. Optional. The default is False.
       "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.
+        "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.
+            "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).
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS.
+                # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
           },
         ],
@@ -1599,7 +1762,7 @@
       "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.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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:
@@ -1614,7 +1777,7 @@
   <pre>Creates an event based on a simple text string.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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.
 
@@ -1622,25 +1785,40 @@
   An object of the form:
 
     {
+      "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+          # In order to modify attachments the supportsAttachments request parameter should be set to true.
+          # There can be at most 25 attachments per event,
+        {
+          "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+          "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.
+          "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.
+        },
+      ],
       "creator": { # The creator of the event. Read-only.
         "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.
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-        "id": "A String", # The organizer's Profile ID, 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
       },
       "summary": "A String", # Title of the event.
-      "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+      "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:
           # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
           # - the length of the ID must be between 5 and 1024 characters
           # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+          # If you do not specify an ID, it will be automatically generated by the server.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-      "attendees": [ # The attendees of the event.
+      "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
         {
           "comment": "A String", # The attendee's response comment. Optional.
           "displayName": "A String", # The attendee's name, if available. Optional.
@@ -1650,51 +1828,52 @@
               # - "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.
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
           "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.
+          "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.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
         "A String",
       ],
-      "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-        "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+      "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+        "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
         "title": "A String", # Title of the source; for example a title of a web page or an email subject.
       },
       "etag": "A String", # ETag of the resource.
       "location": "A String", # Geographic location of the event as free-form text. Optional.
-      "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+      "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
       "gadget": { # A gadget that extends this event.
         "preferences": { # Preferences.
           "a_key": "A String", # The preference name and corresponding value.
         },
         "title": "A String", # The gadget's title.
-        "height": 42, # The gadget's height in pixels. Optional.
-        "width": 42, # The gadget's width in pixels. Optional.
-        "link": "A String", # The gadget's URL.
+        "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+        "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+        "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
         "type": "A String", # The gadget's type.
         "display": "A String", # The gadget's display mode. Optional. Possible values are:
             # - "icon" - The gadget displays next to the event's title in the calendar view.
             # - "chip" - The gadget displays when the event is clicked.
-        "iconLink": "A String", # The gadget's icon URL.
+        "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
       },
       "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.
-      "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+      "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 ID in the iCalendar format.
+      "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.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "extendedProperties": { # Extended properties of the event.
         "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
           "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -1714,21 +1893,21 @@
       "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "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 RFC 3339 timestamp). 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. Optional. The default is False.
       "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.
+        "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.
+            "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).
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS.
+                # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
           },
         ],
@@ -1738,7 +1917,7 @@
       "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.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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:
@@ -1749,35 +1928,50 @@
 </div>
 
 <div class="method">
-    <code class="details" id="update">update(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, maxAttendees=None)</code>
+    <code class="details" id="update">update(calendarId, eventId, body, sendNotifications=None, alwaysIncludeEmail=None, supportsAttachments=None, maxAttendees=None)</code>
   <pre>Updates an event.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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)
   body: object, The request body. (required)
     The object takes the form of:
 
 {
+    "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+        # In order to modify attachments the supportsAttachments request parameter should be set to true.
+        # There can be at most 25 attachments per event,
+      {
+        "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+        "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.
+        "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.
+      },
+    ],
     "creator": { # The creator of the event. Read-only.
       "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.
+      "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-      "id": "A String", # The organizer's Profile ID, 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
     },
     "summary": "A String", # Title of the event.
-    "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+    "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:
         # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
         # - the length of the ID must be between 5 and 1024 characters
         # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+        # If you do not specify an ID, it will be automatically generated by the server.
+        # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
     "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-    "attendees": [ # The attendees of the event.
+    "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
       {
         "comment": "A String", # The attendee's response comment. Optional.
         "displayName": "A String", # The attendee's name, if available. Optional.
@@ -1787,51 +1981,52 @@
             # - "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.
+        "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
         "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.
+        "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.
       },
     ],
     "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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.
     },
     "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-    "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+    "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
       "A String",
     ],
-    "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-      "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+    "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+      "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
       "title": "A String", # Title of the source; for example a title of a web page or an email subject.
     },
     "etag": "A String", # ETag of the resource.
     "location": "A String", # Geographic location of the event as free-form text. Optional.
-    "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+    "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
     "gadget": { # A gadget that extends this event.
       "preferences": { # Preferences.
         "a_key": "A String", # The preference name and corresponding value.
       },
       "title": "A String", # The gadget's title.
-      "height": 42, # The gadget's height in pixels. Optional.
-      "width": 42, # The gadget's width in pixels. Optional.
-      "link": "A String", # The gadget's URL.
+      "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+      "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+      "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
       "type": "A String", # The gadget's type.
       "display": "A String", # The gadget's display mode. Optional. Possible values are:
           # - "icon" - The gadget displays next to the event's title in the calendar view.
           # - "chip" - The gadget displays when the event is clicked.
-      "iconLink": "A String", # The gadget's icon URL.
+      "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
     },
     "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.
-    "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+    "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 ID in the iCalendar format.
+    "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.
+        # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
     "extendedProperties": { # Extended properties of the event.
       "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
         "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -1851,21 +2046,21 @@
     "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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.
     },
     "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 RFC 3339 timestamp). 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. Optional. The default is False.
     "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.
+      "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.
+          "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).
           "method": "A String", # The method used by this reminder. Possible values are:
               # - "email" - Reminders are sent via email.
-              # - "sms" - Reminders are sent via SMS.
+              # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
               # - "popup" - Reminders are sent via a UI popup.
         },
       ],
@@ -1875,7 +2070,7 @@
     "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.
       "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+      "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:
@@ -1886,31 +2081,47 @@
 
   sendNotifications: boolean, Whether to send notifications about the event update (e.g. attendee's responses, title changes, etc.). Optional. 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.
 
 Returns:
   An object of the form:
 
     {
+      "attachments": [ # File attachments for the event. Currently only Google Drive attachments are supported.
+          # In order to modify attachments the supportsAttachments request parameter should be set to true.
+          # There can be at most 25 attachments per event,
+        {
+          "mimeType": "A String", # Internet media type (MIME type) of the attachment.
+          "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.
+          "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.
+        },
+      ],
       "creator": { # The creator of the event. Read-only.
         "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.
+        "id": "A String", # The creator's Profile ID, if available. It corresponds to theid 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.
-        "id": "A String", # The organizer's Profile ID, 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
       },
       "summary": "A String", # Title of the event.
-      "id": "A String", # Identifier of the event. When creating new single or recurring events, you can specify their IDs. Provided IDs must follow these rules:
+      "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:
           # - characters allowed in the ID are those used in base32hex encoding, i.e. lowercase letters a-v and digits 0-9, see section 3.1.2 in RFC2938
           # - the length of the ID must be between 5 and 1024 characters
           # - the ID must be unique per calendar  Due to the globally distributed nature of the system, we cannot guarantee that ID collisions will be detected at event creation time. To minimize the risk of collisions we recommend using an established UUID algorithm such as one described in RFC4122.
+          # If you do not specify an ID, it will be automatically generated by the server.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "hangoutLink": "A String", # An absolute link to the Google+ hangout associated with this event. Read-only.
-      "attendees": [ # The attendees of the event.
+      "attendees": [ # The attendees of the event. See the Events with attendees guide for more information on scheduling events with other calendar users.
         {
           "comment": "A String", # The attendee's response comment. Optional.
           "displayName": "A String", # The attendee's name, if available. Optional.
@@ -1920,51 +2131,52 @@
               # - "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.
+          "id": "A String", # The attendee's Profile ID, if available. It corresponds to theid 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.
           "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.
+          "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.
         },
       ],
       "start": { # The (inclusive) start time of the event. For a recurring event, this is the start time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "htmlLink": "A String", # An absolute link to this event in the Google Calendar Web UI. Read-only.
-      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event. This field is omitted for single events or instances of recurring events.
+      "recurrence": [ # List of RRULE, EXRULE, RDATE and EXDATE lines for a recurring event, as specified in RFC5545. Note that DTSTART and DTEND lines are not allowed in this field; event start and end times are specified in the start and end fields. This field is omitted for single events or instances of recurring events.
         "A String",
       ],
-      "source": { # Source of an event from which it was created; for example a web page, an email message or any document identifiable by an URL using HTTP/HTTPS protocol. Accessible only by the creator of the event.
-        "url": "A String", # URL of the source pointing to a resource. URL's protocol must be HTTP or HTTPS.
+      "source": { # Source from which the event was created. For example, a web page, an email message or any document identifiable by an URL with HTTP or HTTPS scheme. Can only be seen or modified by the creator of the event.
+        "url": "A String", # URL of the source pointing to a resource. The URL scheme must be HTTP or HTTPS.
         "title": "A String", # Title of the source; for example a title of a web page or an email subject.
       },
       "etag": "A String", # ETag of the resource.
       "location": "A String", # Geographic location of the event as free-form text. Optional.
-      "recurringEventId": "A String", # For an instance of a recurring event, this is the event ID of the recurring event itself. Immutable.
+      "recurringEventId": "A String", # For an instance of a recurring event, this is the id of the recurring event to which this instance belongs. Immutable.
       "gadget": { # A gadget that extends this event.
         "preferences": { # Preferences.
           "a_key": "A String", # The preference name and corresponding value.
         },
         "title": "A String", # The gadget's title.
-        "height": 42, # The gadget's height in pixels. Optional.
-        "width": 42, # The gadget's width in pixels. Optional.
-        "link": "A String", # The gadget's URL.
+        "height": 42, # The gadget's height in pixels. The height must be an integer greater than 0. Optional.
+        "width": 42, # The gadget's width in pixels. The width must be an integer greater than 0. Optional.
+        "link": "A String", # The gadget's URL. The URL scheme must be HTTPS.
         "type": "A String", # The gadget's type.
         "display": "A String", # The gadget's display mode. Optional. Possible values are:
             # - "icon" - The gadget displays next to the event's title in the calendar view.
             # - "chip" - The gadget displays when the event is clicked.
-        "iconLink": "A String", # The gadget's icon URL.
+        "iconLink": "A String", # The gadget's icon URL. The URL scheme must be HTTPS.
       },
       "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.
-      "updated": "A String", # Last modification time of the event (as a RFC 3339 timestamp). Read-only.
+      "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 ID in the iCalendar format.
+      "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.
+          # Note that the icalUID and the id are not identical and only one of them should be supplied at event creation time. One difference in their semantics is that in recurring events, all occurrences of one event have different ids while they all share the same icalUIDs.
       "extendedProperties": { # Extended properties of the event.
         "shared": { # Properties that are shared between copies of the event on other attendees' calendars.
           "a_key": "A String", # The name of the shared property and the corresponding value.
@@ -1984,21 +2196,21 @@
       "end": { # The (exclusive) end time of the event. For a recurring event, this is the end time of the first instance.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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.
       },
       "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 RFC 3339 timestamp). 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. Optional. The default is False.
       "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.
+        "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.
+            "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).
             "method": "A String", # The method used by this reminder. Possible values are:
                 # - "email" - Reminders are sent via email.
-                # - "sms" - Reminders are sent via SMS.
+                # - "sms" - Reminders are sent via SMS. These are only available for Google Apps for Work, Education, and Government customers. Requests to set SMS reminders for other account types are ignored.
                 # - "popup" - Reminders are sent via a UI popup.
           },
         ],
@@ -2008,7 +2220,7 @@
       "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.
         "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 RFC 3339). A time zone offset is required unless a time zone is explicitly specified in timeZone.
+        "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:
@@ -2023,7 +2235,7 @@
   <pre>Watch for changes to Events resources.
 
 Args:
-  calendarId: string, Calendar identifier. (required)
+  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)
   body: object, The request body. (required)
     The object takes the form of:
 
@@ -2047,10 +2259,10 @@
       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.
+  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.
   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 RFC 3339 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.
+  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.
   singleEvents: boolean, Whether to expand recurring events into instances and only return single one-off events and instances of recurring events, but not the underlying recurring events themselves. Optional. 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.
   showDeleted: boolean, Whether to include deleted events (with status equals "cancelled") in the result. Cancelled instances of recurring events (but not the underlying recurring event) will still be included if showDeleted and singleEvents are both False. If showDeleted and singleEvents are both True, only single instances of deleted events (but not the underlying recurring events) are returned. Optional. The default is False.
@@ -2072,7 +2284,7 @@
 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. 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.
+  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.
   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.