chore: regens API reference docs (#889)

diff --git a/docs/dyn/dialogflow_v2.projects.agent.intents.html b/docs/dyn/dialogflow_v2.projects.agent.intents.html
index 93f01d8..f79300f 100644
--- a/docs/dyn/dialogflow_v2.projects.agent.intents.html
+++ b/docs/dyn/dialogflow_v2.projects.agent.intents.html
@@ -75,13 +75,13 @@
 <h1><a href="dialogflow_v2.html">Dialogflow API</a> . <a href="dialogflow_v2.projects.html">projects</a> . <a href="dialogflow_v2.projects.agent.html">agent</a> . <a href="dialogflow_v2.projects.agent.intents.html">intents</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#batchDelete">batchDelete(parent, body, x__xgafv=None)</a></code></p>
+  <code><a href="#batchDelete">batchDelete(parent, body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Deletes intents in the specified agent.</p>
 <p class="toc_element">
-  <code><a href="#batchUpdate">batchUpdate(parent, body, x__xgafv=None)</a></code></p>
+  <code><a href="#batchUpdate">batchUpdate(parent, body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Updates/Creates multiple intents in the specified agent.</p>
 <p class="toc_element">
-  <code><a href="#create">create(parent, body, languageCode=None, intentView=None, x__xgafv=None)</a></code></p>
+  <code><a href="#create">create(parent, body=None, languageCode=None, intentView=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Creates an intent in the specified agent.</p>
 <p class="toc_element">
   <code><a href="#delete">delete(name, x__xgafv=None)</a></code></p>
@@ -96,19 +96,19 @@
   <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
-  <code><a href="#patch">patch(name, body, languageCode=None, intentView=None, updateMask=None, x__xgafv=None)</a></code></p>
+  <code><a href="#patch">patch(name, body=None, languageCode=None, intentView=None, updateMask=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Updates the specified intent.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="batchDelete">batchDelete(parent, body, x__xgafv=None)</code>
+    <code class="details" id="batchDelete">batchDelete(parent, body=None, x__xgafv=None)</code>
   <pre>Deletes intents in the specified agent.
 
-Operation <response: google.protobuf.Empty>
+Operation &lt;response: google.protobuf.Empty&gt;
 
 Args:
   parent: string, Required. The name of the agent to delete all entities types for. Format:
-`projects/<Project ID>/agent`. (required)
-  body: object, The request body. (required)
+`projects/&lt;Project ID&gt;/agent`. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # The request message for Intents.BatchDeleteIntents.
@@ -119,14 +119,14 @@
           # action is an extraction of a user command or sentence semantics.
         "isFallback": True or False, # Optional. Indicates whether this is a fallback intent.
         "mlDisabled": True or False, # Optional. Indicates whether Machine Learning is disabled for the intent.
-            # Note: If `ml_diabled` setting is set to true, then this intent is not
+            # Note: If `ml_disabled` setting is set to true, then this intent is not
             # taken into account during inference in `ML ONLY` match mode. Also,
             # auto-markup in the UI is turned off.
         "displayName": "A String", # Required. The name of this intent.
-        "name": "A String", # The unique identifier of this intent.
+        "name": "A String", # Optional. The unique identifier of this intent.
             # Required for Intents.UpdateIntent and Intents.BatchUpdateIntents
             # methods.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
         "parameters": [ # Optional. The collection of parameters associated with the intent.
           { # Represents intent parameters.
             "displayName": "A String", # Required. The name of the parameter.
@@ -145,7 +145,7 @@
                 # - a parameter value from some context defined as
                 #   `#context_name.parameter_name`.
             "prompts": [ # Optional. The collection of prompts that the agent can present to the
-                # user in order to collect value for the parameter.
+                # user in order to collect a value for the parameter.
               "A String",
             ],
             "isList": True or False, # Optional. Indicates whether the parameter represents a list of values.
@@ -200,17 +200,27 @@
             # a direct or indirect parent. We populate this field only in the output.
           { # Represents a single followup intent in the chain.
             "followupIntentName": "A String", # The unique identifier of the followup intent.
-                # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+                # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
             "parentFollowupIntentName": "A String", # The unique identifier of the followup intent's parent.
-                # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+                # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
           },
         ],
         "webhookState": "A String", # Optional. Indicates whether webhooks are enabled for the intent.
-        "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
-            # session when this intent is matched.
+        "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
+            # chain of followup intents. You can set this field when creating an intent,
+            # for example with CreateIntent or
+            # BatchUpdateIntents, in order to make this
+            # intent a followup intent.
+            #
+            # It identifies the parent followup intent.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
         "messages": [ # Optional. The collection of rich messages corresponding to the
             # `Response` field in the Dialogflow console.
-          { # Corresponds to the `Response` field in the Dialogflow console.
+          { # A rich response message.
+              # Corresponds to the intent `Response` field in the Dialogflow console.
+              # For more information, see
+              # [Rich response
+              # messages](https://cloud.google.com/dialogflow/docs/intents-rich-messages).
             "simpleResponses": { # The collection of simple response candidates. # The voice and text-only responses for Actions on Google.
                 # This message in `QueryResult.fulfillment_messages` and
                 # `WebhookResponse.fulfillment_messages` should contain only one
@@ -243,6 +253,26 @@
                   # e.g., screen readers.
               "imageUri": "A String", # Optional. The public URI to an image file.
             },
+            "mediaContent": { # The media content card for Actions on Google. # The media content card for Actions on Google.
+              "mediaObjects": [ # Required. List of media objects.
+                { # Response media object for media content card.
+                  "contentUrl": "A String", # Required. Url where the media is stored.
+                  "description": "A String", # Optional. Description of media card.
+                  "name": "A String", # Required. Name of media card.
+                  "largeImage": { # The image response message. # Optional. Image to display above media content.
+                    "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                        # e.g., screen readers.
+                    "imageUri": "A String", # Optional. The public URI to an image file.
+                  },
+                  "icon": { # The image response message. # Optional. Icon to display above media content.
+                    "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                        # e.g., screen readers.
+                    "imageUri": "A String", # Optional. The public URI to an image file.
+                  },
+                },
+              ],
+              "mediaType": "A String", # Optional. What type of media is the content (ie "audio").
+            },
             "suggestions": { # The collection of suggestions. # The suggestion chips for Actions on Google.
               "suggestions": [ # Required. The list of suggested replies.
                 { # The suggestion chip message that the user can tap to quickly post a reply
@@ -257,6 +287,31 @@
                   # suggestion chip.
               "destinationName": "A String", # Required. The name of the app or site this chip is linking to.
             },
+            "browseCarouselCard": { # Browse Carousel Card for Actions on Google. # Browse carousel card for Actions on Google.
+                # https://developers.google.com/actions/assistant/responses#browsing_carousel
+              "items": [ # Required. List of items in the Browse Carousel Card. Minimum of two
+                  # items, maximum of ten.
+                { # Browsing carousel tile
+                  "image": { # The image response message. # Optional. Hero image for the carousel item.
+                    "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                        # e.g., screen readers.
+                    "imageUri": "A String", # Optional. The public URI to an image file.
+                  },
+                  "title": "A String", # Required. Title of the carousel item. Maximum of two lines of text.
+                  "description": "A String", # Optional. Description of the carousel item. Maximum of four lines of
+                      # text.
+                  "openUriAction": { # Actions on Google action to open a given url. # Required. Action to present to the user.
+                    "url": "A String", # Required. URL
+                    "urlTypeHint": "A String", # Optional. Specifies the type of viewer that is used when opening
+                        # the URL. Defaults to opening via web browser.
+                  },
+                  "footer": "A String", # Optional. Text that appears at the bottom of the Browse Carousel
+                      # Card. Maximum of one line of text.
+                },
+              ],
+              "imageDisplayOptions": "A String", # Optional. Settings for displaying the image. Applies to every image in
+                  # items.
+            },
             "basicCard": { # The basic card message. Useful for displaying information. # The basic card response for Actions on Google.
               "buttons": [ # Optional. The collection of card buttons.
                 { # The button object that appears at the bottom of a card.
@@ -275,6 +330,39 @@
               "formattedText": "A String", # Required, unless image is present. The body text of the card.
               "title": "A String", # Optional. The title of the card.
             },
+            "tableCard": { # Table card for Actions on Google. # Table card for Actions on Google.
+              "rows": [ # Optional. Rows in this table of data.
+                { # Row of TableCard.
+                  "cells": [ # Optional. List of cells that make up this row.
+                    { # Cell of TableCardRow.
+                      "text": "A String", # Required. Text in this cell.
+                    },
+                  ],
+                  "dividerAfter": True or False, # Optional. Whether to add a visual divider after this row.
+                },
+              ],
+              "subtitle": "A String", # Optional. Subtitle to the title.
+              "title": "A String", # Required. Title of the card.
+              "image": { # The image response message. # Optional. Image which should be displayed on the card.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+              "columnProperties": [ # Optional. Display properties for the columns in this table.
+                { # Column properties for TableCard.
+                  "header": "A String", # Required. Column heading.
+                  "horizontalAlignment": "A String", # Optional. Defines text alignment for all cells in this column.
+                },
+              ],
+              "buttons": [ # Optional. List of buttons for the card.
+                { # The button object that appears at the bottom of a card.
+                  "openUriAction": { # Opens the given URI. # Required. Action to take when a user taps on the button.
+                    "uri": "A String", # Required. The HTTP or HTTPS scheme URI.
+                  },
+                  "title": "A String", # Required. The title of the button.
+                },
+              ],
+            },
             "carouselSelect": { # The card for presenting a carousel of options to select from. # The carousel card response for Actions on Google.
               "items": [ # Required. Carousel items.
                 { # An item in the carousel.
@@ -318,16 +406,15 @@
                   "title": "A String", # Required. The title of the list item.
                 },
               ],
+              "subtitle": "A String", # Optional. Subtitle of the list.
               "title": "A String", # Optional. The overall title of the list.
             },
-            "payload": { # Returns a response containing a custom, platform-specific payload.
-                # See the Intent.Message.Platform type for a description of the
-                # structure that may be required for your platform.
+            "payload": { # A custom platform-specific response.
               "a_key": "", # Properties of the object.
             },
             "card": { # The card response message. # The card response.
               "buttons": [ # Optional. The collection of card buttons.
-                { # Optional. Contains information about a button.
+                { # Contains information about a button.
                   "text": "A String", # Optional. The text to show on the button.
                   "postback": "A String", # Optional. The text to send back to the Dialogflow API or a URI to
                       # open.
@@ -339,60 +426,82 @@
             },
           },
         ],
-        "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
-            # chain of followup intents. You can set this field when creating an intent,
-            # for example with CreateIntent or BatchUpdateIntents, in order to
-            # make this intent a followup intent.
-            #
-            # It identifies the parent followup intent.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
         "defaultResponsePlatforms": [ # Optional. The list of platforms for which the first responses will be
             # copied from the messages in PLATFORM_UNSPECIFIED (i.e. default platform).
           "A String",
         ],
         "priority": 42, # Optional. The priority of this intent. Higher numbers represent higher
-            # priorities. If this is zero or unspecified, we use the default
-            # priority 500000.
+            # priorities.
             #
-            # Negative numbers mean that the intent is disabled.
+            # - If the supplied value is unspecified or 0, the service
+            #   translates the value to 500,000, which corresponds to the
+            #   `Normal` priority in the console.
+            # - If the supplied value is negative, the intent is ignored
+            #   in runtime detect intent requests.
         "rootFollowupIntentName": "A String", # Read-only. The unique identifier of the root intent in the chain of
             # followup intents. It identifies the correct followup intents chain for
             # this intent. We populate this field only in the output.
             #
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
-        "inputContextNames": [ # Optional. The list of context names required for this intent to be
-            # triggered.
-            # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
-          "A String",
-        ],
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
         "action": "A String", # Optional. The name of the action associated with the intent.
             # Note: The action name must not contain whitespaces.
+        "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
+            # session when this intent is matched.
         "outputContexts": [ # Optional. The collection of contexts that are activated when the intent
             # is matched. Context messages in this collection should not set the
             # parameters field. Setting the `lifespan_count` to 0 will reset the context
             # when the intent is matched.
-            # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
           { # Represents a context.
-            "parameters": { # Optional. The collection of parameters associated with this context.
-                # Refer to [this
-                # doc](https://cloud.google.com/dialogflow-enterprise/docs/intents-actions-parameters)
-                # for syntax.
-              "a_key": "", # Properties of the object.
-            },
             "name": "A String", # Required. The unique identifier of the context. Format:
-                # `projects/<Project ID>/agent/sessions/<Session ID>/contexts/<Context ID>`.
+                # `projects/&lt;Project ID&gt;/agent/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`,
+                # or `projects/&lt;Project ID&gt;/agent/environments/&lt;Environment ID&gt;/users/&lt;User
+                # ID&gt;/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`.
                 #
                 # The `Context ID` is always converted to lowercase, may only contain
-                # characters in [a-zA-Z0-9_-%] and may be at most 250 bytes long.
+                # characters in a-zA-Z0-9_-% and may be at most 250 bytes long.
+                #
+                # If `Environment ID` is not specified, we assume default 'draft'
+                # environment. If `User ID` is not specified, we assume default '-' user.
+                #
+                # The following context names are reserved for internal use by Dialogflow.
+                # You should not use these contexts or create contexts with these names:
+                #
+                # * `__system_counters__`
+                # * `*_id_dialog_context`
+                # * `*_dialog_params_size`
+            "parameters": { # Optional. The collection of parameters associated with this context.
+                #
+                # Depending on your protocol or client library language, this is a
+                # map, associative array, symbol table, dictionary, or JSON object
+                # composed of a collection of (MapKey, MapValue) pairs:
+                #
+                # -   MapKey type: string
+                # -   MapKey value: parameter name
+                # -   MapValue type:
+                #     -   If parameter's entity type is a composite entity: map
+                #     -   Else: string or number, depending on parameter value type
+                # -   MapValue value:
+                #     -   If parameter's entity type is a composite entity:
+                #         map from composite entity property names to property values
+                #     -   Else: parameter value
+              "a_key": "", # Properties of the object.
+            },
             "lifespanCount": 42, # Optional. The number of conversational query requests after which the
-                # context expires. If set to `0` (the default) the context expires
+                # context expires. The default is `0`. If set to `0`, the context expires
                 # immediately. Contexts expire automatically after 20 minutes if there
                 # are no matching queries.
           },
         ],
+        "inputContextNames": [ # Optional. The list of context names required for this intent to be
+            # triggered.
+            # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
+          "A String",
+        ],
         "events": [ # Optional. The collection of event names that trigger the intent.
             # If the collection of input contexts is not empty, all of the contexts must
             # be present in the active user session for an event to trigger this intent.
+            # Event names are limited to 150 characters.
           "A String",
         ],
       },
@@ -409,12 +518,28 @@
 
     { # This resource represents a long-running operation that is the result of a
       # network API call.
+    "response": { # The normal response of the operation in case of success.  If the original
+        # method returns no data on success, such as `Delete`, the response is
+        # `google.protobuf.Empty`.  If the original method is standard
+        # `Get`/`Create`/`Update`, the response should be the resource.  For other
+        # methods, the response should have the type `XxxResponse`, where `Xxx`
+        # is the original method name.  For example, if the original method name
+        # is `TakeSnapshot()`, the inferred response type is
+        # `TakeSnapshotResponse`.
+      "a_key": "", # Properties of the object. Contains field @type with type URL.
+    },
     "metadata": { # Service-specific metadata associated with the operation.  It typically
         # contains progress information and common metadata such as create time.
         # Some services might not provide such metadata.  Any method that returns a
         # long-running operation should document the metadata type, if any.
       "a_key": "", # Properties of the object. Contains field @type with type URL.
     },
+    "done": True or False, # If the value is `false`, it means the operation is still in progress.
+        # If `true`, the operation is completed, and either `error` or `response` is
+        # available.
+    "name": "A String", # The server-assigned name, which is only unique within the same service that
+        # originally returns it. If you use the default HTTP mapping, the
+        # `name` should be a resource name ending with `operations/{unique_id}`.
     "error": { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
         # different programming environments, including REST APIs and RPC APIs. It is
         # used by [gRPC](https://github.com/grpc). Each `Status` message contains
@@ -433,44 +558,27 @@
         },
       ],
     },
-    "done": True or False, # If the value is `false`, it means the operation is still in progress.
-        # If `true`, the operation is completed, and either `error` or `response` is
-        # available.
-    "response": { # The normal response of the operation in case of success.  If the original
-        # method returns no data on success, such as `Delete`, the response is
-        # `google.protobuf.Empty`.  If the original method is standard
-        # `Get`/`Create`/`Update`, the response should be the resource.  For other
-        # methods, the response should have the type `XxxResponse`, where `Xxx`
-        # is the original method name.  For example, if the original method name
-        # is `TakeSnapshot()`, the inferred response type is
-        # `TakeSnapshotResponse`.
-      "a_key": "", # Properties of the object. Contains field @type with type URL.
-    },
-    "name": "A String", # The server-assigned name, which is only unique within the same service that
-        # originally returns it. If you use the default HTTP mapping, the
-        # `name` should be a resource name ending with `operations/{unique_id}`.
   }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="batchUpdate">batchUpdate(parent, body, x__xgafv=None)</code>
+    <code class="details" id="batchUpdate">batchUpdate(parent, body=None, x__xgafv=None)</code>
   <pre>Updates/Creates multiple intents in the specified agent.
 
-Operation <response: BatchUpdateIntentsResponse>
+Operation &lt;response: BatchUpdateIntentsResponse&gt;
 
 Args:
   parent: string, Required. The name of the agent to update or create intents in.
-Format: `projects/<Project ID>/agent`. (required)
-  body: object, The request body. (required)
+Format: `projects/&lt;Project ID&gt;/agent`. (required)
+  body: object, The request body.
     The object takes the form of:
 
-{ # The request message for Intents.BatchUpdateIntents.
-    "languageCode": "A String", # Optional. The language of training phrases, parameters and rich messages
-        # defined in `intents`. If not specified, the agent's default language is
-        # used. [Many
-        # languages](https://cloud.google.com/dialogflow-enterprise/docs/reference/language)
-        # are supported. Note: languages must be enabled in the agent before they can
-        # be used.
+{
+    "languageCode": "A String", # Optional. The language used to access language-specific data.
+        # If not specified, the agent's default language is used.
+        # For more information, see
+        # [Multilingual intent and entity
+        # data](https://cloud.google.com/dialogflow/docs/agents-multilingual#intent-entity).
     "intentBatchUri": "A String", # The URI to a Google Cloud Storage file containing intents to update or
         # create. The file format can either be a serialized proto (of IntentBatch
         # type) or JSON object. Note: The URI must start with "gs://".
@@ -481,14 +589,14 @@
             # action is an extraction of a user command or sentence semantics.
           "isFallback": True or False, # Optional. Indicates whether this is a fallback intent.
           "mlDisabled": True or False, # Optional. Indicates whether Machine Learning is disabled for the intent.
-              # Note: If `ml_diabled` setting is set to true, then this intent is not
+              # Note: If `ml_disabled` setting is set to true, then this intent is not
               # taken into account during inference in `ML ONLY` match mode. Also,
               # auto-markup in the UI is turned off.
           "displayName": "A String", # Required. The name of this intent.
-          "name": "A String", # The unique identifier of this intent.
+          "name": "A String", # Optional. The unique identifier of this intent.
               # Required for Intents.UpdateIntent and Intents.BatchUpdateIntents
               # methods.
-              # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+              # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
           "parameters": [ # Optional. The collection of parameters associated with the intent.
             { # Represents intent parameters.
               "displayName": "A String", # Required. The name of the parameter.
@@ -507,7 +615,7 @@
                   # - a parameter value from some context defined as
                   #   `#context_name.parameter_name`.
               "prompts": [ # Optional. The collection of prompts that the agent can present to the
-                  # user in order to collect value for the parameter.
+                  # user in order to collect a value for the parameter.
                 "A String",
               ],
               "isList": True or False, # Optional. Indicates whether the parameter represents a list of values.
@@ -562,17 +670,27 @@
               # a direct or indirect parent. We populate this field only in the output.
             { # Represents a single followup intent in the chain.
               "followupIntentName": "A String", # The unique identifier of the followup intent.
-                  # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+                  # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
               "parentFollowupIntentName": "A String", # The unique identifier of the followup intent's parent.
-                  # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+                  # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
             },
           ],
           "webhookState": "A String", # Optional. Indicates whether webhooks are enabled for the intent.
-          "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
-              # session when this intent is matched.
+          "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
+              # chain of followup intents. You can set this field when creating an intent,
+              # for example with CreateIntent or
+              # BatchUpdateIntents, in order to make this
+              # intent a followup intent.
+              #
+              # It identifies the parent followup intent.
+              # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
           "messages": [ # Optional. The collection of rich messages corresponding to the
               # `Response` field in the Dialogflow console.
-            { # Corresponds to the `Response` field in the Dialogflow console.
+            { # A rich response message.
+                # Corresponds to the intent `Response` field in the Dialogflow console.
+                # For more information, see
+                # [Rich response
+                # messages](https://cloud.google.com/dialogflow/docs/intents-rich-messages).
               "simpleResponses": { # The collection of simple response candidates. # The voice and text-only responses for Actions on Google.
                   # This message in `QueryResult.fulfillment_messages` and
                   # `WebhookResponse.fulfillment_messages` should contain only one
@@ -605,6 +723,26 @@
                     # e.g., screen readers.
                 "imageUri": "A String", # Optional. The public URI to an image file.
               },
+              "mediaContent": { # The media content card for Actions on Google. # The media content card for Actions on Google.
+                "mediaObjects": [ # Required. List of media objects.
+                  { # Response media object for media content card.
+                    "contentUrl": "A String", # Required. Url where the media is stored.
+                    "description": "A String", # Optional. Description of media card.
+                    "name": "A String", # Required. Name of media card.
+                    "largeImage": { # The image response message. # Optional. Image to display above media content.
+                      "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                          # e.g., screen readers.
+                      "imageUri": "A String", # Optional. The public URI to an image file.
+                    },
+                    "icon": { # The image response message. # Optional. Icon to display above media content.
+                      "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                          # e.g., screen readers.
+                      "imageUri": "A String", # Optional. The public URI to an image file.
+                    },
+                  },
+                ],
+                "mediaType": "A String", # Optional. What type of media is the content (ie "audio").
+              },
               "suggestions": { # The collection of suggestions. # The suggestion chips for Actions on Google.
                 "suggestions": [ # Required. The list of suggested replies.
                   { # The suggestion chip message that the user can tap to quickly post a reply
@@ -619,6 +757,31 @@
                     # suggestion chip.
                 "destinationName": "A String", # Required. The name of the app or site this chip is linking to.
               },
+              "browseCarouselCard": { # Browse Carousel Card for Actions on Google. # Browse carousel card for Actions on Google.
+                  # https://developers.google.com/actions/assistant/responses#browsing_carousel
+                "items": [ # Required. List of items in the Browse Carousel Card. Minimum of two
+                    # items, maximum of ten.
+                  { # Browsing carousel tile
+                    "image": { # The image response message. # Optional. Hero image for the carousel item.
+                      "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                          # e.g., screen readers.
+                      "imageUri": "A String", # Optional. The public URI to an image file.
+                    },
+                    "title": "A String", # Required. Title of the carousel item. Maximum of two lines of text.
+                    "description": "A String", # Optional. Description of the carousel item. Maximum of four lines of
+                        # text.
+                    "openUriAction": { # Actions on Google action to open a given url. # Required. Action to present to the user.
+                      "url": "A String", # Required. URL
+                      "urlTypeHint": "A String", # Optional. Specifies the type of viewer that is used when opening
+                          # the URL. Defaults to opening via web browser.
+                    },
+                    "footer": "A String", # Optional. Text that appears at the bottom of the Browse Carousel
+                        # Card. Maximum of one line of text.
+                  },
+                ],
+                "imageDisplayOptions": "A String", # Optional. Settings for displaying the image. Applies to every image in
+                    # items.
+              },
               "basicCard": { # The basic card message. Useful for displaying information. # The basic card response for Actions on Google.
                 "buttons": [ # Optional. The collection of card buttons.
                   { # The button object that appears at the bottom of a card.
@@ -637,6 +800,39 @@
                 "formattedText": "A String", # Required, unless image is present. The body text of the card.
                 "title": "A String", # Optional. The title of the card.
               },
+              "tableCard": { # Table card for Actions on Google. # Table card for Actions on Google.
+                "rows": [ # Optional. Rows in this table of data.
+                  { # Row of TableCard.
+                    "cells": [ # Optional. List of cells that make up this row.
+                      { # Cell of TableCardRow.
+                        "text": "A String", # Required. Text in this cell.
+                      },
+                    ],
+                    "dividerAfter": True or False, # Optional. Whether to add a visual divider after this row.
+                  },
+                ],
+                "subtitle": "A String", # Optional. Subtitle to the title.
+                "title": "A String", # Required. Title of the card.
+                "image": { # The image response message. # Optional. Image which should be displayed on the card.
+                  "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                      # e.g., screen readers.
+                  "imageUri": "A String", # Optional. The public URI to an image file.
+                },
+                "columnProperties": [ # Optional. Display properties for the columns in this table.
+                  { # Column properties for TableCard.
+                    "header": "A String", # Required. Column heading.
+                    "horizontalAlignment": "A String", # Optional. Defines text alignment for all cells in this column.
+                  },
+                ],
+                "buttons": [ # Optional. List of buttons for the card.
+                  { # The button object that appears at the bottom of a card.
+                    "openUriAction": { # Opens the given URI. # Required. Action to take when a user taps on the button.
+                      "uri": "A String", # Required. The HTTP or HTTPS scheme URI.
+                    },
+                    "title": "A String", # Required. The title of the button.
+                  },
+                ],
+              },
               "carouselSelect": { # The card for presenting a carousel of options to select from. # The carousel card response for Actions on Google.
                 "items": [ # Required. Carousel items.
                   { # An item in the carousel.
@@ -680,16 +876,15 @@
                     "title": "A String", # Required. The title of the list item.
                   },
                 ],
+                "subtitle": "A String", # Optional. Subtitle of the list.
                 "title": "A String", # Optional. The overall title of the list.
               },
-              "payload": { # Returns a response containing a custom, platform-specific payload.
-                  # See the Intent.Message.Platform type for a description of the
-                  # structure that may be required for your platform.
+              "payload": { # A custom platform-specific response.
                 "a_key": "", # Properties of the object.
               },
               "card": { # The card response message. # The card response.
                 "buttons": [ # Optional. The collection of card buttons.
-                  { # Optional. Contains information about a button.
+                  { # Contains information about a button.
                     "text": "A String", # Optional. The text to show on the button.
                     "postback": "A String", # Optional. The text to send back to the Dialogflow API or a URI to
                         # open.
@@ -701,60 +896,82 @@
               },
             },
           ],
-          "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
-              # chain of followup intents. You can set this field when creating an intent,
-              # for example with CreateIntent or BatchUpdateIntents, in order to
-              # make this intent a followup intent.
-              #
-              # It identifies the parent followup intent.
-              # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
           "defaultResponsePlatforms": [ # Optional. The list of platforms for which the first responses will be
               # copied from the messages in PLATFORM_UNSPECIFIED (i.e. default platform).
             "A String",
           ],
           "priority": 42, # Optional. The priority of this intent. Higher numbers represent higher
-              # priorities. If this is zero or unspecified, we use the default
-              # priority 500000.
+              # priorities.
               #
-              # Negative numbers mean that the intent is disabled.
+              # - If the supplied value is unspecified or 0, the service
+              #   translates the value to 500,000, which corresponds to the
+              #   `Normal` priority in the console.
+              # - If the supplied value is negative, the intent is ignored
+              #   in runtime detect intent requests.
           "rootFollowupIntentName": "A String", # Read-only. The unique identifier of the root intent in the chain of
               # followup intents. It identifies the correct followup intents chain for
               # this intent. We populate this field only in the output.
               #
-              # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
-          "inputContextNames": [ # Optional. The list of context names required for this intent to be
-              # triggered.
-              # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
-            "A String",
-          ],
+              # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
           "action": "A String", # Optional. The name of the action associated with the intent.
               # Note: The action name must not contain whitespaces.
+          "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
+              # session when this intent is matched.
           "outputContexts": [ # Optional. The collection of contexts that are activated when the intent
               # is matched. Context messages in this collection should not set the
               # parameters field. Setting the `lifespan_count` to 0 will reset the context
               # when the intent is matched.
-              # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
+              # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
             { # Represents a context.
-              "parameters": { # Optional. The collection of parameters associated with this context.
-                  # Refer to [this
-                  # doc](https://cloud.google.com/dialogflow-enterprise/docs/intents-actions-parameters)
-                  # for syntax.
-                "a_key": "", # Properties of the object.
-              },
               "name": "A String", # Required. The unique identifier of the context. Format:
-                  # `projects/<Project ID>/agent/sessions/<Session ID>/contexts/<Context ID>`.
+                  # `projects/&lt;Project ID&gt;/agent/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`,
+                  # or `projects/&lt;Project ID&gt;/agent/environments/&lt;Environment ID&gt;/users/&lt;User
+                  # ID&gt;/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`.
                   #
                   # The `Context ID` is always converted to lowercase, may only contain
-                  # characters in [a-zA-Z0-9_-%] and may be at most 250 bytes long.
+                  # characters in a-zA-Z0-9_-% and may be at most 250 bytes long.
+                  #
+                  # If `Environment ID` is not specified, we assume default 'draft'
+                  # environment. If `User ID` is not specified, we assume default '-' user.
+                  #
+                  # The following context names are reserved for internal use by Dialogflow.
+                  # You should not use these contexts or create contexts with these names:
+                  #
+                  # * `__system_counters__`
+                  # * `*_id_dialog_context`
+                  # * `*_dialog_params_size`
+              "parameters": { # Optional. The collection of parameters associated with this context.
+                  #
+                  # Depending on your protocol or client library language, this is a
+                  # map, associative array, symbol table, dictionary, or JSON object
+                  # composed of a collection of (MapKey, MapValue) pairs:
+                  #
+                  # -   MapKey type: string
+                  # -   MapKey value: parameter name
+                  # -   MapValue type:
+                  #     -   If parameter's entity type is a composite entity: map
+                  #     -   Else: string or number, depending on parameter value type
+                  # -   MapValue value:
+                  #     -   If parameter's entity type is a composite entity:
+                  #         map from composite entity property names to property values
+                  #     -   Else: parameter value
+                "a_key": "", # Properties of the object.
+              },
               "lifespanCount": 42, # Optional. The number of conversational query requests after which the
-                  # context expires. If set to `0` (the default) the context expires
+                  # context expires. The default is `0`. If set to `0`, the context expires
                   # immediately. Contexts expire automatically after 20 minutes if there
                   # are no matching queries.
             },
           ],
+          "inputContextNames": [ # Optional. The list of context names required for this intent to be
+              # triggered.
+              # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
+            "A String",
+          ],
           "events": [ # Optional. The collection of event names that trigger the intent.
               # If the collection of input contexts is not empty, all of the contexts must
               # be present in the active user session for an event to trigger this intent.
+              # Event names are limited to 150 characters.
             "A String",
           ],
         },
@@ -774,12 +991,28 @@
 
     { # This resource represents a long-running operation that is the result of a
       # network API call.
+    "response": { # The normal response of the operation in case of success.  If the original
+        # method returns no data on success, such as `Delete`, the response is
+        # `google.protobuf.Empty`.  If the original method is standard
+        # `Get`/`Create`/`Update`, the response should be the resource.  For other
+        # methods, the response should have the type `XxxResponse`, where `Xxx`
+        # is the original method name.  For example, if the original method name
+        # is `TakeSnapshot()`, the inferred response type is
+        # `TakeSnapshotResponse`.
+      "a_key": "", # Properties of the object. Contains field @type with type URL.
+    },
     "metadata": { # Service-specific metadata associated with the operation.  It typically
         # contains progress information and common metadata such as create time.
         # Some services might not provide such metadata.  Any method that returns a
         # long-running operation should document the metadata type, if any.
       "a_key": "", # Properties of the object. Contains field @type with type URL.
     },
+    "done": True or False, # If the value is `false`, it means the operation is still in progress.
+        # If `true`, the operation is completed, and either `error` or `response` is
+        # available.
+    "name": "A String", # The server-assigned name, which is only unique within the same service that
+        # originally returns it. If you use the default HTTP mapping, the
+        # `name` should be a resource name ending with `operations/{unique_id}`.
     "error": { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
         # different programming environments, including REST APIs and RPC APIs. It is
         # used by [gRPC](https://github.com/grpc). Each `Status` message contains
@@ -798,33 +1031,17 @@
         },
       ],
     },
-    "done": True or False, # If the value is `false`, it means the operation is still in progress.
-        # If `true`, the operation is completed, and either `error` or `response` is
-        # available.
-    "response": { # The normal response of the operation in case of success.  If the original
-        # method returns no data on success, such as `Delete`, the response is
-        # `google.protobuf.Empty`.  If the original method is standard
-        # `Get`/`Create`/`Update`, the response should be the resource.  For other
-        # methods, the response should have the type `XxxResponse`, where `Xxx`
-        # is the original method name.  For example, if the original method name
-        # is `TakeSnapshot()`, the inferred response type is
-        # `TakeSnapshotResponse`.
-      "a_key": "", # Properties of the object. Contains field @type with type URL.
-    },
-    "name": "A String", # The server-assigned name, which is only unique within the same service that
-        # originally returns it. If you use the default HTTP mapping, the
-        # `name` should be a resource name ending with `operations/{unique_id}`.
   }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="create">create(parent, body, languageCode=None, intentView=None, x__xgafv=None)</code>
+    <code class="details" id="create">create(parent, body=None, languageCode=None, intentView=None, x__xgafv=None)</code>
   <pre>Creates an intent in the specified agent.
 
 Args:
   parent: string, Required. The agent to create a intent for.
-Format: `projects/<Project ID>/agent`. (required)
-  body: object, The request body. (required)
+Format: `projects/&lt;Project ID&gt;/agent`. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Represents an intent.
@@ -832,14 +1049,14 @@
     # action is an extraction of a user command or sentence semantics.
   "isFallback": True or False, # Optional. Indicates whether this is a fallback intent.
   "mlDisabled": True or False, # Optional. Indicates whether Machine Learning is disabled for the intent.
-      # Note: If `ml_diabled` setting is set to true, then this intent is not
+      # Note: If `ml_disabled` setting is set to true, then this intent is not
       # taken into account during inference in `ML ONLY` match mode. Also,
       # auto-markup in the UI is turned off.
   "displayName": "A String", # Required. The name of this intent.
-  "name": "A String", # The unique identifier of this intent.
+  "name": "A String", # Optional. The unique identifier of this intent.
       # Required for Intents.UpdateIntent and Intents.BatchUpdateIntents
       # methods.
-      # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+      # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
   "parameters": [ # Optional. The collection of parameters associated with the intent.
     { # Represents intent parameters.
       "displayName": "A String", # Required. The name of the parameter.
@@ -858,7 +1075,7 @@
           # - a parameter value from some context defined as
           #   `#context_name.parameter_name`.
       "prompts": [ # Optional. The collection of prompts that the agent can present to the
-          # user in order to collect value for the parameter.
+          # user in order to collect a value for the parameter.
         "A String",
       ],
       "isList": True or False, # Optional. Indicates whether the parameter represents a list of values.
@@ -913,17 +1130,27 @@
       # a direct or indirect parent. We populate this field only in the output.
     { # Represents a single followup intent in the chain.
       "followupIntentName": "A String", # The unique identifier of the followup intent.
-          # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+          # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
       "parentFollowupIntentName": "A String", # The unique identifier of the followup intent's parent.
-          # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+          # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     },
   ],
   "webhookState": "A String", # Optional. Indicates whether webhooks are enabled for the intent.
-  "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
-      # session when this intent is matched.
+  "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
+      # chain of followup intents. You can set this field when creating an intent,
+      # for example with CreateIntent or
+      # BatchUpdateIntents, in order to make this
+      # intent a followup intent.
+      # 
+      # It identifies the parent followup intent.
+      # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
   "messages": [ # Optional. The collection of rich messages corresponding to the
       # `Response` field in the Dialogflow console.
-    { # Corresponds to the `Response` field in the Dialogflow console.
+    { # A rich response message.
+        # Corresponds to the intent `Response` field in the Dialogflow console.
+        # For more information, see
+        # [Rich response
+        # messages](https://cloud.google.com/dialogflow/docs/intents-rich-messages).
       "simpleResponses": { # The collection of simple response candidates. # The voice and text-only responses for Actions on Google.
           # This message in `QueryResult.fulfillment_messages` and
           # `WebhookResponse.fulfillment_messages` should contain only one
@@ -956,6 +1183,26 @@
             # e.g., screen readers.
         "imageUri": "A String", # Optional. The public URI to an image file.
       },
+      "mediaContent": { # The media content card for Actions on Google. # The media content card for Actions on Google.
+        "mediaObjects": [ # Required. List of media objects.
+          { # Response media object for media content card.
+            "contentUrl": "A String", # Required. Url where the media is stored.
+            "description": "A String", # Optional. Description of media card.
+            "name": "A String", # Required. Name of media card.
+            "largeImage": { # The image response message. # Optional. Image to display above media content.
+              "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                  # e.g., screen readers.
+              "imageUri": "A String", # Optional. The public URI to an image file.
+            },
+            "icon": { # The image response message. # Optional. Icon to display above media content.
+              "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                  # e.g., screen readers.
+              "imageUri": "A String", # Optional. The public URI to an image file.
+            },
+          },
+        ],
+        "mediaType": "A String", # Optional. What type of media is the content (ie "audio").
+      },
       "suggestions": { # The collection of suggestions. # The suggestion chips for Actions on Google.
         "suggestions": [ # Required. The list of suggested replies.
           { # The suggestion chip message that the user can tap to quickly post a reply
@@ -970,6 +1217,31 @@
             # suggestion chip.
         "destinationName": "A String", # Required. The name of the app or site this chip is linking to.
       },
+      "browseCarouselCard": { # Browse Carousel Card for Actions on Google. # Browse carousel card for Actions on Google.
+          # https://developers.google.com/actions/assistant/responses#browsing_carousel
+        "items": [ # Required. List of items in the Browse Carousel Card. Minimum of two
+            # items, maximum of ten.
+          { # Browsing carousel tile
+            "image": { # The image response message. # Optional. Hero image for the carousel item.
+              "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                  # e.g., screen readers.
+              "imageUri": "A String", # Optional. The public URI to an image file.
+            },
+            "title": "A String", # Required. Title of the carousel item. Maximum of two lines of text.
+            "description": "A String", # Optional. Description of the carousel item. Maximum of four lines of
+                # text.
+            "openUriAction": { # Actions on Google action to open a given url. # Required. Action to present to the user.
+              "url": "A String", # Required. URL
+              "urlTypeHint": "A String", # Optional. Specifies the type of viewer that is used when opening
+                  # the URL. Defaults to opening via web browser.
+            },
+            "footer": "A String", # Optional. Text that appears at the bottom of the Browse Carousel
+                # Card. Maximum of one line of text.
+          },
+        ],
+        "imageDisplayOptions": "A String", # Optional. Settings for displaying the image. Applies to every image in
+            # items.
+      },
       "basicCard": { # The basic card message. Useful for displaying information. # The basic card response for Actions on Google.
         "buttons": [ # Optional. The collection of card buttons.
           { # The button object that appears at the bottom of a card.
@@ -988,6 +1260,39 @@
         "formattedText": "A String", # Required, unless image is present. The body text of the card.
         "title": "A String", # Optional. The title of the card.
       },
+      "tableCard": { # Table card for Actions on Google. # Table card for Actions on Google.
+        "rows": [ # Optional. Rows in this table of data.
+          { # Row of TableCard.
+            "cells": [ # Optional. List of cells that make up this row.
+              { # Cell of TableCardRow.
+                "text": "A String", # Required. Text in this cell.
+              },
+            ],
+            "dividerAfter": True or False, # Optional. Whether to add a visual divider after this row.
+          },
+        ],
+        "subtitle": "A String", # Optional. Subtitle to the title.
+        "title": "A String", # Required. Title of the card.
+        "image": { # The image response message. # Optional. Image which should be displayed on the card.
+          "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+              # e.g., screen readers.
+          "imageUri": "A String", # Optional. The public URI to an image file.
+        },
+        "columnProperties": [ # Optional. Display properties for the columns in this table.
+          { # Column properties for TableCard.
+            "header": "A String", # Required. Column heading.
+            "horizontalAlignment": "A String", # Optional. Defines text alignment for all cells in this column.
+          },
+        ],
+        "buttons": [ # Optional. List of buttons for the card.
+          { # The button object that appears at the bottom of a card.
+            "openUriAction": { # Opens the given URI. # Required. Action to take when a user taps on the button.
+              "uri": "A String", # Required. The HTTP or HTTPS scheme URI.
+            },
+            "title": "A String", # Required. The title of the button.
+          },
+        ],
+      },
       "carouselSelect": { # The card for presenting a carousel of options to select from. # The carousel card response for Actions on Google.
         "items": [ # Required. Carousel items.
           { # An item in the carousel.
@@ -1031,16 +1336,15 @@
             "title": "A String", # Required. The title of the list item.
           },
         ],
+        "subtitle": "A String", # Optional. Subtitle of the list.
         "title": "A String", # Optional. The overall title of the list.
       },
-      "payload": { # Returns a response containing a custom, platform-specific payload.
-          # See the Intent.Message.Platform type for a description of the
-          # structure that may be required for your platform.
+      "payload": { # A custom platform-specific response.
         "a_key": "", # Properties of the object.
       },
       "card": { # The card response message. # The card response.
         "buttons": [ # Optional. The collection of card buttons.
-          { # Optional. Contains information about a button.
+          { # Contains information about a button.
             "text": "A String", # Optional. The text to show on the button.
             "postback": "A String", # Optional. The text to send back to the Dialogflow API or a URI to
                 # open.
@@ -1052,70 +1356,91 @@
       },
     },
   ],
-  "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
-      # chain of followup intents. You can set this field when creating an intent,
-      # for example with CreateIntent or BatchUpdateIntents, in order to
-      # make this intent a followup intent.
-      # 
-      # It identifies the parent followup intent.
-      # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
   "defaultResponsePlatforms": [ # Optional. The list of platforms for which the first responses will be
       # copied from the messages in PLATFORM_UNSPECIFIED (i.e. default platform).
     "A String",
   ],
   "priority": 42, # Optional. The priority of this intent. Higher numbers represent higher
-      # priorities. If this is zero or unspecified, we use the default
-      # priority 500000.
+      # priorities.
       # 
-      # Negative numbers mean that the intent is disabled.
+      # - If the supplied value is unspecified or 0, the service
+      #   translates the value to 500,000, which corresponds to the
+      #   `Normal` priority in the console.
+      # - If the supplied value is negative, the intent is ignored
+      #   in runtime detect intent requests.
   "rootFollowupIntentName": "A String", # Read-only. The unique identifier of the root intent in the chain of
       # followup intents. It identifies the correct followup intents chain for
       # this intent. We populate this field only in the output.
       # 
-      # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
-  "inputContextNames": [ # Optional. The list of context names required for this intent to be
-      # triggered.
-      # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
-    "A String",
-  ],
+      # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
   "action": "A String", # Optional. The name of the action associated with the intent.
       # Note: The action name must not contain whitespaces.
+  "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
+      # session when this intent is matched.
   "outputContexts": [ # Optional. The collection of contexts that are activated when the intent
       # is matched. Context messages in this collection should not set the
       # parameters field. Setting the `lifespan_count` to 0 will reset the context
       # when the intent is matched.
-      # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
+      # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
     { # Represents a context.
-      "parameters": { # Optional. The collection of parameters associated with this context.
-          # Refer to [this
-          # doc](https://cloud.google.com/dialogflow-enterprise/docs/intents-actions-parameters)
-          # for syntax.
-        "a_key": "", # Properties of the object.
-      },
       "name": "A String", # Required. The unique identifier of the context. Format:
-          # `projects/<Project ID>/agent/sessions/<Session ID>/contexts/<Context ID>`.
+          # `projects/&lt;Project ID&gt;/agent/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`,
+          # or `projects/&lt;Project ID&gt;/agent/environments/&lt;Environment ID&gt;/users/&lt;User
+          # ID&gt;/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`.
           #
           # The `Context ID` is always converted to lowercase, may only contain
-          # characters in [a-zA-Z0-9_-%] and may be at most 250 bytes long.
+          # characters in a-zA-Z0-9_-% and may be at most 250 bytes long.
+          #
+          # If `Environment ID` is not specified, we assume default 'draft'
+          # environment. If `User ID` is not specified, we assume default '-' user.
+          #
+          # The following context names are reserved for internal use by Dialogflow.
+          # You should not use these contexts or create contexts with these names:
+          #
+          # * `__system_counters__`
+          # * `*_id_dialog_context`
+          # * `*_dialog_params_size`
+      "parameters": { # Optional. The collection of parameters associated with this context.
+          #
+          # Depending on your protocol or client library language, this is a
+          # map, associative array, symbol table, dictionary, or JSON object
+          # composed of a collection of (MapKey, MapValue) pairs:
+          #
+          # -   MapKey type: string
+          # -   MapKey value: parameter name
+          # -   MapValue type:
+          #     -   If parameter's entity type is a composite entity: map
+          #     -   Else: string or number, depending on parameter value type
+          # -   MapValue value:
+          #     -   If parameter's entity type is a composite entity:
+          #         map from composite entity property names to property values
+          #     -   Else: parameter value
+        "a_key": "", # Properties of the object.
+      },
       "lifespanCount": 42, # Optional. The number of conversational query requests after which the
-          # context expires. If set to `0` (the default) the context expires
+          # context expires. The default is `0`. If set to `0`, the context expires
           # immediately. Contexts expire automatically after 20 minutes if there
           # are no matching queries.
     },
   ],
+  "inputContextNames": [ # Optional. The list of context names required for this intent to be
+      # triggered.
+      # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
+    "A String",
+  ],
   "events": [ # Optional. The collection of event names that trigger the intent.
       # If the collection of input contexts is not empty, all of the contexts must
       # be present in the active user session for an event to trigger this intent.
+      # Event names are limited to 150 characters.
     "A String",
   ],
 }
 
-  languageCode: string, Optional. The language of training phrases, parameters and rich messages
-defined in `intent`. If not specified, the agent's default language is
-used. [Many
-languages](https://cloud.google.com/dialogflow-enterprise/docs/reference/language)
-are supported. Note: languages must be enabled in the agent before they can
-be used.
+  languageCode: string, Optional. The language used to access language-specific data.
+If not specified, the agent's default language is used.
+For more information, see
+[Multilingual intent and entity
+data](https://cloud.google.com/dialogflow/docs/agents-multilingual#intent-entity).
   intentView: string, Optional. The resource view to apply to the returned intent.
   x__xgafv: string, V1 error format.
     Allowed values
@@ -1130,14 +1455,14 @@
       # action is an extraction of a user command or sentence semantics.
     "isFallback": True or False, # Optional. Indicates whether this is a fallback intent.
     "mlDisabled": True or False, # Optional. Indicates whether Machine Learning is disabled for the intent.
-        # Note: If `ml_diabled` setting is set to true, then this intent is not
+        # Note: If `ml_disabled` setting is set to true, then this intent is not
         # taken into account during inference in `ML ONLY` match mode. Also,
         # auto-markup in the UI is turned off.
     "displayName": "A String", # Required. The name of this intent.
-    "name": "A String", # The unique identifier of this intent.
+    "name": "A String", # Optional. The unique identifier of this intent.
         # Required for Intents.UpdateIntent and Intents.BatchUpdateIntents
         # methods.
-        # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+        # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     "parameters": [ # Optional. The collection of parameters associated with the intent.
       { # Represents intent parameters.
         "displayName": "A String", # Required. The name of the parameter.
@@ -1156,7 +1481,7 @@
             # - a parameter value from some context defined as
             #   `#context_name.parameter_name`.
         "prompts": [ # Optional. The collection of prompts that the agent can present to the
-            # user in order to collect value for the parameter.
+            # user in order to collect a value for the parameter.
           "A String",
         ],
         "isList": True or False, # Optional. Indicates whether the parameter represents a list of values.
@@ -1211,17 +1536,27 @@
         # a direct or indirect parent. We populate this field only in the output.
       { # Represents a single followup intent in the chain.
         "followupIntentName": "A String", # The unique identifier of the followup intent.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
         "parentFollowupIntentName": "A String", # The unique identifier of the followup intent's parent.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
       },
     ],
     "webhookState": "A String", # Optional. Indicates whether webhooks are enabled for the intent.
-    "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
-        # session when this intent is matched.
+    "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
+        # chain of followup intents. You can set this field when creating an intent,
+        # for example with CreateIntent or
+        # BatchUpdateIntents, in order to make this
+        # intent a followup intent.
+        #
+        # It identifies the parent followup intent.
+        # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     "messages": [ # Optional. The collection of rich messages corresponding to the
         # `Response` field in the Dialogflow console.
-      { # Corresponds to the `Response` field in the Dialogflow console.
+      { # A rich response message.
+          # Corresponds to the intent `Response` field in the Dialogflow console.
+          # For more information, see
+          # [Rich response
+          # messages](https://cloud.google.com/dialogflow/docs/intents-rich-messages).
         "simpleResponses": { # The collection of simple response candidates. # The voice and text-only responses for Actions on Google.
             # This message in `QueryResult.fulfillment_messages` and
             # `WebhookResponse.fulfillment_messages` should contain only one
@@ -1254,6 +1589,26 @@
               # e.g., screen readers.
           "imageUri": "A String", # Optional. The public URI to an image file.
         },
+        "mediaContent": { # The media content card for Actions on Google. # The media content card for Actions on Google.
+          "mediaObjects": [ # Required. List of media objects.
+            { # Response media object for media content card.
+              "contentUrl": "A String", # Required. Url where the media is stored.
+              "description": "A String", # Optional. Description of media card.
+              "name": "A String", # Required. Name of media card.
+              "largeImage": { # The image response message. # Optional. Image to display above media content.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+              "icon": { # The image response message. # Optional. Icon to display above media content.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+            },
+          ],
+          "mediaType": "A String", # Optional. What type of media is the content (ie "audio").
+        },
         "suggestions": { # The collection of suggestions. # The suggestion chips for Actions on Google.
           "suggestions": [ # Required. The list of suggested replies.
             { # The suggestion chip message that the user can tap to quickly post a reply
@@ -1268,6 +1623,31 @@
               # suggestion chip.
           "destinationName": "A String", # Required. The name of the app or site this chip is linking to.
         },
+        "browseCarouselCard": { # Browse Carousel Card for Actions on Google. # Browse carousel card for Actions on Google.
+            # https://developers.google.com/actions/assistant/responses#browsing_carousel
+          "items": [ # Required. List of items in the Browse Carousel Card. Minimum of two
+              # items, maximum of ten.
+            { # Browsing carousel tile
+              "image": { # The image response message. # Optional. Hero image for the carousel item.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+              "title": "A String", # Required. Title of the carousel item. Maximum of two lines of text.
+              "description": "A String", # Optional. Description of the carousel item. Maximum of four lines of
+                  # text.
+              "openUriAction": { # Actions on Google action to open a given url. # Required. Action to present to the user.
+                "url": "A String", # Required. URL
+                "urlTypeHint": "A String", # Optional. Specifies the type of viewer that is used when opening
+                    # the URL. Defaults to opening via web browser.
+              },
+              "footer": "A String", # Optional. Text that appears at the bottom of the Browse Carousel
+                  # Card. Maximum of one line of text.
+            },
+          ],
+          "imageDisplayOptions": "A String", # Optional. Settings for displaying the image. Applies to every image in
+              # items.
+        },
         "basicCard": { # The basic card message. Useful for displaying information. # The basic card response for Actions on Google.
           "buttons": [ # Optional. The collection of card buttons.
             { # The button object that appears at the bottom of a card.
@@ -1286,6 +1666,39 @@
           "formattedText": "A String", # Required, unless image is present. The body text of the card.
           "title": "A String", # Optional. The title of the card.
         },
+        "tableCard": { # Table card for Actions on Google. # Table card for Actions on Google.
+          "rows": [ # Optional. Rows in this table of data.
+            { # Row of TableCard.
+              "cells": [ # Optional. List of cells that make up this row.
+                { # Cell of TableCardRow.
+                  "text": "A String", # Required. Text in this cell.
+                },
+              ],
+              "dividerAfter": True or False, # Optional. Whether to add a visual divider after this row.
+            },
+          ],
+          "subtitle": "A String", # Optional. Subtitle to the title.
+          "title": "A String", # Required. Title of the card.
+          "image": { # The image response message. # Optional. Image which should be displayed on the card.
+            "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                # e.g., screen readers.
+            "imageUri": "A String", # Optional. The public URI to an image file.
+          },
+          "columnProperties": [ # Optional. Display properties for the columns in this table.
+            { # Column properties for TableCard.
+              "header": "A String", # Required. Column heading.
+              "horizontalAlignment": "A String", # Optional. Defines text alignment for all cells in this column.
+            },
+          ],
+          "buttons": [ # Optional. List of buttons for the card.
+            { # The button object that appears at the bottom of a card.
+              "openUriAction": { # Opens the given URI. # Required. Action to take when a user taps on the button.
+                "uri": "A String", # Required. The HTTP or HTTPS scheme URI.
+              },
+              "title": "A String", # Required. The title of the button.
+            },
+          ],
+        },
         "carouselSelect": { # The card for presenting a carousel of options to select from. # The carousel card response for Actions on Google.
           "items": [ # Required. Carousel items.
             { # An item in the carousel.
@@ -1329,16 +1742,15 @@
               "title": "A String", # Required. The title of the list item.
             },
           ],
+          "subtitle": "A String", # Optional. Subtitle of the list.
           "title": "A String", # Optional. The overall title of the list.
         },
-        "payload": { # Returns a response containing a custom, platform-specific payload.
-            # See the Intent.Message.Platform type for a description of the
-            # structure that may be required for your platform.
+        "payload": { # A custom platform-specific response.
           "a_key": "", # Properties of the object.
         },
         "card": { # The card response message. # The card response.
           "buttons": [ # Optional. The collection of card buttons.
-            { # Optional. Contains information about a button.
+            { # Contains information about a button.
               "text": "A String", # Optional. The text to show on the button.
               "postback": "A String", # Optional. The text to send back to the Dialogflow API or a URI to
                   # open.
@@ -1350,60 +1762,82 @@
         },
       },
     ],
-    "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
-        # chain of followup intents. You can set this field when creating an intent,
-        # for example with CreateIntent or BatchUpdateIntents, in order to
-        # make this intent a followup intent.
-        #
-        # It identifies the parent followup intent.
-        # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
     "defaultResponsePlatforms": [ # Optional. The list of platforms for which the first responses will be
         # copied from the messages in PLATFORM_UNSPECIFIED (i.e. default platform).
       "A String",
     ],
     "priority": 42, # Optional. The priority of this intent. Higher numbers represent higher
-        # priorities. If this is zero or unspecified, we use the default
-        # priority 500000.
+        # priorities.
         #
-        # Negative numbers mean that the intent is disabled.
+        # - If the supplied value is unspecified or 0, the service
+        #   translates the value to 500,000, which corresponds to the
+        #   `Normal` priority in the console.
+        # - If the supplied value is negative, the intent is ignored
+        #   in runtime detect intent requests.
     "rootFollowupIntentName": "A String", # Read-only. The unique identifier of the root intent in the chain of
         # followup intents. It identifies the correct followup intents chain for
         # this intent. We populate this field only in the output.
         #
-        # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
-    "inputContextNames": [ # Optional. The list of context names required for this intent to be
-        # triggered.
-        # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
-      "A String",
-    ],
+        # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     "action": "A String", # Optional. The name of the action associated with the intent.
         # Note: The action name must not contain whitespaces.
+    "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
+        # session when this intent is matched.
     "outputContexts": [ # Optional. The collection of contexts that are activated when the intent
         # is matched. Context messages in this collection should not set the
         # parameters field. Setting the `lifespan_count` to 0 will reset the context
         # when the intent is matched.
-        # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
+        # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
       { # Represents a context.
-        "parameters": { # Optional. The collection of parameters associated with this context.
-            # Refer to [this
-            # doc](https://cloud.google.com/dialogflow-enterprise/docs/intents-actions-parameters)
-            # for syntax.
-          "a_key": "", # Properties of the object.
-        },
         "name": "A String", # Required. The unique identifier of the context. Format:
-            # `projects/<Project ID>/agent/sessions/<Session ID>/contexts/<Context ID>`.
+            # `projects/&lt;Project ID&gt;/agent/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`,
+            # or `projects/&lt;Project ID&gt;/agent/environments/&lt;Environment ID&gt;/users/&lt;User
+            # ID&gt;/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`.
             #
             # The `Context ID` is always converted to lowercase, may only contain
-            # characters in [a-zA-Z0-9_-%] and may be at most 250 bytes long.
+            # characters in a-zA-Z0-9_-% and may be at most 250 bytes long.
+            #
+            # If `Environment ID` is not specified, we assume default 'draft'
+            # environment. If `User ID` is not specified, we assume default '-' user.
+            #
+            # The following context names are reserved for internal use by Dialogflow.
+            # You should not use these contexts or create contexts with these names:
+            #
+            # * `__system_counters__`
+            # * `*_id_dialog_context`
+            # * `*_dialog_params_size`
+        "parameters": { # Optional. The collection of parameters associated with this context.
+            #
+            # Depending on your protocol or client library language, this is a
+            # map, associative array, symbol table, dictionary, or JSON object
+            # composed of a collection of (MapKey, MapValue) pairs:
+            #
+            # -   MapKey type: string
+            # -   MapKey value: parameter name
+            # -   MapValue type:
+            #     -   If parameter's entity type is a composite entity: map
+            #     -   Else: string or number, depending on parameter value type
+            # -   MapValue value:
+            #     -   If parameter's entity type is a composite entity:
+            #         map from composite entity property names to property values
+            #     -   Else: parameter value
+          "a_key": "", # Properties of the object.
+        },
         "lifespanCount": 42, # Optional. The number of conversational query requests after which the
-            # context expires. If set to `0` (the default) the context expires
+            # context expires. The default is `0`. If set to `0`, the context expires
             # immediately. Contexts expire automatically after 20 minutes if there
             # are no matching queries.
       },
     ],
+    "inputContextNames": [ # Optional. The list of context names required for this intent to be
+        # triggered.
+        # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
+      "A String",
+    ],
     "events": [ # Optional. The collection of event names that trigger the intent.
         # If the collection of input contexts is not empty, all of the contexts must
         # be present in the active user session for an event to trigger this intent.
+        # Event names are limited to 150 characters.
       "A String",
     ],
   }</pre>
@@ -1416,7 +1850,7 @@
 Args:
   name: string, Required. The name of the intent to delete. If this intent has direct or
 indirect followup intents, we also delete them.
-Format: `projects/<Project ID>/agent/intents/<Intent ID>`. (required)
+Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`. (required)
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -1443,13 +1877,12 @@
 
 Args:
   name: string, Required. The name of the intent.
-Format: `projects/<Project ID>/agent/intents/<Intent ID>`. (required)
-  languageCode: string, Optional. The language to retrieve training phrases, parameters and rich
-messages for. If not specified, the agent's default language is used.
-[Many
-languages](https://cloud.google.com/dialogflow-enterprise/docs/reference/language)
-are supported. Note: languages must be enabled in the agent before they can
-be used.
+Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`. (required)
+  languageCode: string, Optional. The language used to access language-specific data.
+If not specified, the agent's default language is used.
+For more information, see
+[Multilingual intent and entity
+data](https://cloud.google.com/dialogflow/docs/agents-multilingual#intent-entity).
   intentView: string, Optional. The resource view to apply to the returned intent.
   x__xgafv: string, V1 error format.
     Allowed values
@@ -1464,14 +1897,14 @@
       # action is an extraction of a user command or sentence semantics.
     "isFallback": True or False, # Optional. Indicates whether this is a fallback intent.
     "mlDisabled": True or False, # Optional. Indicates whether Machine Learning is disabled for the intent.
-        # Note: If `ml_diabled` setting is set to true, then this intent is not
+        # Note: If `ml_disabled` setting is set to true, then this intent is not
         # taken into account during inference in `ML ONLY` match mode. Also,
         # auto-markup in the UI is turned off.
     "displayName": "A String", # Required. The name of this intent.
-    "name": "A String", # The unique identifier of this intent.
+    "name": "A String", # Optional. The unique identifier of this intent.
         # Required for Intents.UpdateIntent and Intents.BatchUpdateIntents
         # methods.
-        # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+        # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     "parameters": [ # Optional. The collection of parameters associated with the intent.
       { # Represents intent parameters.
         "displayName": "A String", # Required. The name of the parameter.
@@ -1490,7 +1923,7 @@
             # - a parameter value from some context defined as
             #   `#context_name.parameter_name`.
         "prompts": [ # Optional. The collection of prompts that the agent can present to the
-            # user in order to collect value for the parameter.
+            # user in order to collect a value for the parameter.
           "A String",
         ],
         "isList": True or False, # Optional. Indicates whether the parameter represents a list of values.
@@ -1545,17 +1978,27 @@
         # a direct or indirect parent. We populate this field only in the output.
       { # Represents a single followup intent in the chain.
         "followupIntentName": "A String", # The unique identifier of the followup intent.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
         "parentFollowupIntentName": "A String", # The unique identifier of the followup intent's parent.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
       },
     ],
     "webhookState": "A String", # Optional. Indicates whether webhooks are enabled for the intent.
-    "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
-        # session when this intent is matched.
+    "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
+        # chain of followup intents. You can set this field when creating an intent,
+        # for example with CreateIntent or
+        # BatchUpdateIntents, in order to make this
+        # intent a followup intent.
+        #
+        # It identifies the parent followup intent.
+        # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     "messages": [ # Optional. The collection of rich messages corresponding to the
         # `Response` field in the Dialogflow console.
-      { # Corresponds to the `Response` field in the Dialogflow console.
+      { # A rich response message.
+          # Corresponds to the intent `Response` field in the Dialogflow console.
+          # For more information, see
+          # [Rich response
+          # messages](https://cloud.google.com/dialogflow/docs/intents-rich-messages).
         "simpleResponses": { # The collection of simple response candidates. # The voice and text-only responses for Actions on Google.
             # This message in `QueryResult.fulfillment_messages` and
             # `WebhookResponse.fulfillment_messages` should contain only one
@@ -1588,6 +2031,26 @@
               # e.g., screen readers.
           "imageUri": "A String", # Optional. The public URI to an image file.
         },
+        "mediaContent": { # The media content card for Actions on Google. # The media content card for Actions on Google.
+          "mediaObjects": [ # Required. List of media objects.
+            { # Response media object for media content card.
+              "contentUrl": "A String", # Required. Url where the media is stored.
+              "description": "A String", # Optional. Description of media card.
+              "name": "A String", # Required. Name of media card.
+              "largeImage": { # The image response message. # Optional. Image to display above media content.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+              "icon": { # The image response message. # Optional. Icon to display above media content.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+            },
+          ],
+          "mediaType": "A String", # Optional. What type of media is the content (ie "audio").
+        },
         "suggestions": { # The collection of suggestions. # The suggestion chips for Actions on Google.
           "suggestions": [ # Required. The list of suggested replies.
             { # The suggestion chip message that the user can tap to quickly post a reply
@@ -1602,6 +2065,31 @@
               # suggestion chip.
           "destinationName": "A String", # Required. The name of the app or site this chip is linking to.
         },
+        "browseCarouselCard": { # Browse Carousel Card for Actions on Google. # Browse carousel card for Actions on Google.
+            # https://developers.google.com/actions/assistant/responses#browsing_carousel
+          "items": [ # Required. List of items in the Browse Carousel Card. Minimum of two
+              # items, maximum of ten.
+            { # Browsing carousel tile
+              "image": { # The image response message. # Optional. Hero image for the carousel item.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+              "title": "A String", # Required. Title of the carousel item. Maximum of two lines of text.
+              "description": "A String", # Optional. Description of the carousel item. Maximum of four lines of
+                  # text.
+              "openUriAction": { # Actions on Google action to open a given url. # Required. Action to present to the user.
+                "url": "A String", # Required. URL
+                "urlTypeHint": "A String", # Optional. Specifies the type of viewer that is used when opening
+                    # the URL. Defaults to opening via web browser.
+              },
+              "footer": "A String", # Optional. Text that appears at the bottom of the Browse Carousel
+                  # Card. Maximum of one line of text.
+            },
+          ],
+          "imageDisplayOptions": "A String", # Optional. Settings for displaying the image. Applies to every image in
+              # items.
+        },
         "basicCard": { # The basic card message. Useful for displaying information. # The basic card response for Actions on Google.
           "buttons": [ # Optional. The collection of card buttons.
             { # The button object that appears at the bottom of a card.
@@ -1620,6 +2108,39 @@
           "formattedText": "A String", # Required, unless image is present. The body text of the card.
           "title": "A String", # Optional. The title of the card.
         },
+        "tableCard": { # Table card for Actions on Google. # Table card for Actions on Google.
+          "rows": [ # Optional. Rows in this table of data.
+            { # Row of TableCard.
+              "cells": [ # Optional. List of cells that make up this row.
+                { # Cell of TableCardRow.
+                  "text": "A String", # Required. Text in this cell.
+                },
+              ],
+              "dividerAfter": True or False, # Optional. Whether to add a visual divider after this row.
+            },
+          ],
+          "subtitle": "A String", # Optional. Subtitle to the title.
+          "title": "A String", # Required. Title of the card.
+          "image": { # The image response message. # Optional. Image which should be displayed on the card.
+            "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                # e.g., screen readers.
+            "imageUri": "A String", # Optional. The public URI to an image file.
+          },
+          "columnProperties": [ # Optional. Display properties for the columns in this table.
+            { # Column properties for TableCard.
+              "header": "A String", # Required. Column heading.
+              "horizontalAlignment": "A String", # Optional. Defines text alignment for all cells in this column.
+            },
+          ],
+          "buttons": [ # Optional. List of buttons for the card.
+            { # The button object that appears at the bottom of a card.
+              "openUriAction": { # Opens the given URI. # Required. Action to take when a user taps on the button.
+                "uri": "A String", # Required. The HTTP or HTTPS scheme URI.
+              },
+              "title": "A String", # Required. The title of the button.
+            },
+          ],
+        },
         "carouselSelect": { # The card for presenting a carousel of options to select from. # The carousel card response for Actions on Google.
           "items": [ # Required. Carousel items.
             { # An item in the carousel.
@@ -1663,16 +2184,15 @@
               "title": "A String", # Required. The title of the list item.
             },
           ],
+          "subtitle": "A String", # Optional. Subtitle of the list.
           "title": "A String", # Optional. The overall title of the list.
         },
-        "payload": { # Returns a response containing a custom, platform-specific payload.
-            # See the Intent.Message.Platform type for a description of the
-            # structure that may be required for your platform.
+        "payload": { # A custom platform-specific response.
           "a_key": "", # Properties of the object.
         },
         "card": { # The card response message. # The card response.
           "buttons": [ # Optional. The collection of card buttons.
-            { # Optional. Contains information about a button.
+            { # Contains information about a button.
               "text": "A String", # Optional. The text to show on the button.
               "postback": "A String", # Optional. The text to send back to the Dialogflow API or a URI to
                   # open.
@@ -1684,60 +2204,82 @@
         },
       },
     ],
-    "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
-        # chain of followup intents. You can set this field when creating an intent,
-        # for example with CreateIntent or BatchUpdateIntents, in order to
-        # make this intent a followup intent.
-        #
-        # It identifies the parent followup intent.
-        # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
     "defaultResponsePlatforms": [ # Optional. The list of platforms for which the first responses will be
         # copied from the messages in PLATFORM_UNSPECIFIED (i.e. default platform).
       "A String",
     ],
     "priority": 42, # Optional. The priority of this intent. Higher numbers represent higher
-        # priorities. If this is zero or unspecified, we use the default
-        # priority 500000.
+        # priorities.
         #
-        # Negative numbers mean that the intent is disabled.
+        # - If the supplied value is unspecified or 0, the service
+        #   translates the value to 500,000, which corresponds to the
+        #   `Normal` priority in the console.
+        # - If the supplied value is negative, the intent is ignored
+        #   in runtime detect intent requests.
     "rootFollowupIntentName": "A String", # Read-only. The unique identifier of the root intent in the chain of
         # followup intents. It identifies the correct followup intents chain for
         # this intent. We populate this field only in the output.
         #
-        # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
-    "inputContextNames": [ # Optional. The list of context names required for this intent to be
-        # triggered.
-        # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
-      "A String",
-    ],
+        # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     "action": "A String", # Optional. The name of the action associated with the intent.
         # Note: The action name must not contain whitespaces.
+    "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
+        # session when this intent is matched.
     "outputContexts": [ # Optional. The collection of contexts that are activated when the intent
         # is matched. Context messages in this collection should not set the
         # parameters field. Setting the `lifespan_count` to 0 will reset the context
         # when the intent is matched.
-        # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
+        # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
       { # Represents a context.
-        "parameters": { # Optional. The collection of parameters associated with this context.
-            # Refer to [this
-            # doc](https://cloud.google.com/dialogflow-enterprise/docs/intents-actions-parameters)
-            # for syntax.
-          "a_key": "", # Properties of the object.
-        },
         "name": "A String", # Required. The unique identifier of the context. Format:
-            # `projects/<Project ID>/agent/sessions/<Session ID>/contexts/<Context ID>`.
+            # `projects/&lt;Project ID&gt;/agent/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`,
+            # or `projects/&lt;Project ID&gt;/agent/environments/&lt;Environment ID&gt;/users/&lt;User
+            # ID&gt;/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`.
             #
             # The `Context ID` is always converted to lowercase, may only contain
-            # characters in [a-zA-Z0-9_-%] and may be at most 250 bytes long.
+            # characters in a-zA-Z0-9_-% and may be at most 250 bytes long.
+            #
+            # If `Environment ID` is not specified, we assume default 'draft'
+            # environment. If `User ID` is not specified, we assume default '-' user.
+            #
+            # The following context names are reserved for internal use by Dialogflow.
+            # You should not use these contexts or create contexts with these names:
+            #
+            # * `__system_counters__`
+            # * `*_id_dialog_context`
+            # * `*_dialog_params_size`
+        "parameters": { # Optional. The collection of parameters associated with this context.
+            #
+            # Depending on your protocol or client library language, this is a
+            # map, associative array, symbol table, dictionary, or JSON object
+            # composed of a collection of (MapKey, MapValue) pairs:
+            #
+            # -   MapKey type: string
+            # -   MapKey value: parameter name
+            # -   MapValue type:
+            #     -   If parameter's entity type is a composite entity: map
+            #     -   Else: string or number, depending on parameter value type
+            # -   MapValue value:
+            #     -   If parameter's entity type is a composite entity:
+            #         map from composite entity property names to property values
+            #     -   Else: parameter value
+          "a_key": "", # Properties of the object.
+        },
         "lifespanCount": 42, # Optional. The number of conversational query requests after which the
-            # context expires. If set to `0` (the default) the context expires
+            # context expires. The default is `0`. If set to `0`, the context expires
             # immediately. Contexts expire automatically after 20 minutes if there
             # are no matching queries.
       },
     ],
+    "inputContextNames": [ # Optional. The list of context names required for this intent to be
+        # triggered.
+        # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
+      "A String",
+    ],
     "events": [ # Optional. The collection of event names that trigger the intent.
         # If the collection of input contexts is not empty, all of the contexts must
         # be present in the active user session for an event to trigger this intent.
+        # Event names are limited to 150 characters.
       "A String",
     ],
   }</pre>
@@ -1749,13 +2291,12 @@
 
 Args:
   parent: string, Required. The agent to list all intents from.
-Format: `projects/<Project ID>/agent`. (required)
-  languageCode: string, Optional. The language to list training phrases, parameters and rich
-messages for. If not specified, the agent's default language is used.
-[Many
-languages](https://cloud.google.com/dialogflow-enterprise/docs/reference/language)
-are supported. Note: languages must be enabled in the agent before they can
-be used.
+Format: `projects/&lt;Project ID&gt;/agent`. (required)
+  languageCode: string, Optional. The language used to access language-specific data.
+If not specified, the agent's default language is used.
+For more information, see
+[Multilingual intent and entity
+data](https://cloud.google.com/dialogflow/docs/agents-multilingual#intent-entity).
   pageSize: integer, Optional. The maximum number of items to return in a single page. By
 default 100 and at most 1000.
   intentView: string, Optional. The resource view to apply to the returned intent.
@@ -1778,14 +2319,14 @@
           # action is an extraction of a user command or sentence semantics.
         "isFallback": True or False, # Optional. Indicates whether this is a fallback intent.
         "mlDisabled": True or False, # Optional. Indicates whether Machine Learning is disabled for the intent.
-            # Note: If `ml_diabled` setting is set to true, then this intent is not
+            # Note: If `ml_disabled` setting is set to true, then this intent is not
             # taken into account during inference in `ML ONLY` match mode. Also,
             # auto-markup in the UI is turned off.
         "displayName": "A String", # Required. The name of this intent.
-        "name": "A String", # The unique identifier of this intent.
+        "name": "A String", # Optional. The unique identifier of this intent.
             # Required for Intents.UpdateIntent and Intents.BatchUpdateIntents
             # methods.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
         "parameters": [ # Optional. The collection of parameters associated with the intent.
           { # Represents intent parameters.
             "displayName": "A String", # Required. The name of the parameter.
@@ -1804,7 +2345,7 @@
                 # - a parameter value from some context defined as
                 #   `#context_name.parameter_name`.
             "prompts": [ # Optional. The collection of prompts that the agent can present to the
-                # user in order to collect value for the parameter.
+                # user in order to collect a value for the parameter.
               "A String",
             ],
             "isList": True or False, # Optional. Indicates whether the parameter represents a list of values.
@@ -1859,17 +2400,27 @@
             # a direct or indirect parent. We populate this field only in the output.
           { # Represents a single followup intent in the chain.
             "followupIntentName": "A String", # The unique identifier of the followup intent.
-                # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+                # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
             "parentFollowupIntentName": "A String", # The unique identifier of the followup intent's parent.
-                # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+                # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
           },
         ],
         "webhookState": "A String", # Optional. Indicates whether webhooks are enabled for the intent.
-        "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
-            # session when this intent is matched.
+        "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
+            # chain of followup intents. You can set this field when creating an intent,
+            # for example with CreateIntent or
+            # BatchUpdateIntents, in order to make this
+            # intent a followup intent.
+            #
+            # It identifies the parent followup intent.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
         "messages": [ # Optional. The collection of rich messages corresponding to the
             # `Response` field in the Dialogflow console.
-          { # Corresponds to the `Response` field in the Dialogflow console.
+          { # A rich response message.
+              # Corresponds to the intent `Response` field in the Dialogflow console.
+              # For more information, see
+              # [Rich response
+              # messages](https://cloud.google.com/dialogflow/docs/intents-rich-messages).
             "simpleResponses": { # The collection of simple response candidates. # The voice and text-only responses for Actions on Google.
                 # This message in `QueryResult.fulfillment_messages` and
                 # `WebhookResponse.fulfillment_messages` should contain only one
@@ -1902,6 +2453,26 @@
                   # e.g., screen readers.
               "imageUri": "A String", # Optional. The public URI to an image file.
             },
+            "mediaContent": { # The media content card for Actions on Google. # The media content card for Actions on Google.
+              "mediaObjects": [ # Required. List of media objects.
+                { # Response media object for media content card.
+                  "contentUrl": "A String", # Required. Url where the media is stored.
+                  "description": "A String", # Optional. Description of media card.
+                  "name": "A String", # Required. Name of media card.
+                  "largeImage": { # The image response message. # Optional. Image to display above media content.
+                    "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                        # e.g., screen readers.
+                    "imageUri": "A String", # Optional. The public URI to an image file.
+                  },
+                  "icon": { # The image response message. # Optional. Icon to display above media content.
+                    "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                        # e.g., screen readers.
+                    "imageUri": "A String", # Optional. The public URI to an image file.
+                  },
+                },
+              ],
+              "mediaType": "A String", # Optional. What type of media is the content (ie "audio").
+            },
             "suggestions": { # The collection of suggestions. # The suggestion chips for Actions on Google.
               "suggestions": [ # Required. The list of suggested replies.
                 { # The suggestion chip message that the user can tap to quickly post a reply
@@ -1916,6 +2487,31 @@
                   # suggestion chip.
               "destinationName": "A String", # Required. The name of the app or site this chip is linking to.
             },
+            "browseCarouselCard": { # Browse Carousel Card for Actions on Google. # Browse carousel card for Actions on Google.
+                # https://developers.google.com/actions/assistant/responses#browsing_carousel
+              "items": [ # Required. List of items in the Browse Carousel Card. Minimum of two
+                  # items, maximum of ten.
+                { # Browsing carousel tile
+                  "image": { # The image response message. # Optional. Hero image for the carousel item.
+                    "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                        # e.g., screen readers.
+                    "imageUri": "A String", # Optional. The public URI to an image file.
+                  },
+                  "title": "A String", # Required. Title of the carousel item. Maximum of two lines of text.
+                  "description": "A String", # Optional. Description of the carousel item. Maximum of four lines of
+                      # text.
+                  "openUriAction": { # Actions on Google action to open a given url. # Required. Action to present to the user.
+                    "url": "A String", # Required. URL
+                    "urlTypeHint": "A String", # Optional. Specifies the type of viewer that is used when opening
+                        # the URL. Defaults to opening via web browser.
+                  },
+                  "footer": "A String", # Optional. Text that appears at the bottom of the Browse Carousel
+                      # Card. Maximum of one line of text.
+                },
+              ],
+              "imageDisplayOptions": "A String", # Optional. Settings for displaying the image. Applies to every image in
+                  # items.
+            },
             "basicCard": { # The basic card message. Useful for displaying information. # The basic card response for Actions on Google.
               "buttons": [ # Optional. The collection of card buttons.
                 { # The button object that appears at the bottom of a card.
@@ -1934,6 +2530,39 @@
               "formattedText": "A String", # Required, unless image is present. The body text of the card.
               "title": "A String", # Optional. The title of the card.
             },
+            "tableCard": { # Table card for Actions on Google. # Table card for Actions on Google.
+              "rows": [ # Optional. Rows in this table of data.
+                { # Row of TableCard.
+                  "cells": [ # Optional. List of cells that make up this row.
+                    { # Cell of TableCardRow.
+                      "text": "A String", # Required. Text in this cell.
+                    },
+                  ],
+                  "dividerAfter": True or False, # Optional. Whether to add a visual divider after this row.
+                },
+              ],
+              "subtitle": "A String", # Optional. Subtitle to the title.
+              "title": "A String", # Required. Title of the card.
+              "image": { # The image response message. # Optional. Image which should be displayed on the card.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+              "columnProperties": [ # Optional. Display properties for the columns in this table.
+                { # Column properties for TableCard.
+                  "header": "A String", # Required. Column heading.
+                  "horizontalAlignment": "A String", # Optional. Defines text alignment for all cells in this column.
+                },
+              ],
+              "buttons": [ # Optional. List of buttons for the card.
+                { # The button object that appears at the bottom of a card.
+                  "openUriAction": { # Opens the given URI. # Required. Action to take when a user taps on the button.
+                    "uri": "A String", # Required. The HTTP or HTTPS scheme URI.
+                  },
+                  "title": "A String", # Required. The title of the button.
+                },
+              ],
+            },
             "carouselSelect": { # The card for presenting a carousel of options to select from. # The carousel card response for Actions on Google.
               "items": [ # Required. Carousel items.
                 { # An item in the carousel.
@@ -1977,16 +2606,15 @@
                   "title": "A String", # Required. The title of the list item.
                 },
               ],
+              "subtitle": "A String", # Optional. Subtitle of the list.
               "title": "A String", # Optional. The overall title of the list.
             },
-            "payload": { # Returns a response containing a custom, platform-specific payload.
-                # See the Intent.Message.Platform type for a description of the
-                # structure that may be required for your platform.
+            "payload": { # A custom platform-specific response.
               "a_key": "", # Properties of the object.
             },
             "card": { # The card response message. # The card response.
               "buttons": [ # Optional. The collection of card buttons.
-                { # Optional. Contains information about a button.
+                { # Contains information about a button.
                   "text": "A String", # Optional. The text to show on the button.
                   "postback": "A String", # Optional. The text to send back to the Dialogflow API or a URI to
                       # open.
@@ -1998,60 +2626,82 @@
             },
           },
         ],
-        "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
-            # chain of followup intents. You can set this field when creating an intent,
-            # for example with CreateIntent or BatchUpdateIntents, in order to
-            # make this intent a followup intent.
-            #
-            # It identifies the parent followup intent.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
         "defaultResponsePlatforms": [ # Optional. The list of platforms for which the first responses will be
             # copied from the messages in PLATFORM_UNSPECIFIED (i.e. default platform).
           "A String",
         ],
         "priority": 42, # Optional. The priority of this intent. Higher numbers represent higher
-            # priorities. If this is zero or unspecified, we use the default
-            # priority 500000.
+            # priorities.
             #
-            # Negative numbers mean that the intent is disabled.
+            # - If the supplied value is unspecified or 0, the service
+            #   translates the value to 500,000, which corresponds to the
+            #   `Normal` priority in the console.
+            # - If the supplied value is negative, the intent is ignored
+            #   in runtime detect intent requests.
         "rootFollowupIntentName": "A String", # Read-only. The unique identifier of the root intent in the chain of
             # followup intents. It identifies the correct followup intents chain for
             # this intent. We populate this field only in the output.
             #
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
-        "inputContextNames": [ # Optional. The list of context names required for this intent to be
-            # triggered.
-            # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
-          "A String",
-        ],
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
         "action": "A String", # Optional. The name of the action associated with the intent.
             # Note: The action name must not contain whitespaces.
+        "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
+            # session when this intent is matched.
         "outputContexts": [ # Optional. The collection of contexts that are activated when the intent
             # is matched. Context messages in this collection should not set the
             # parameters field. Setting the `lifespan_count` to 0 will reset the context
             # when the intent is matched.
-            # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
           { # Represents a context.
-            "parameters": { # Optional. The collection of parameters associated with this context.
-                # Refer to [this
-                # doc](https://cloud.google.com/dialogflow-enterprise/docs/intents-actions-parameters)
-                # for syntax.
-              "a_key": "", # Properties of the object.
-            },
             "name": "A String", # Required. The unique identifier of the context. Format:
-                # `projects/<Project ID>/agent/sessions/<Session ID>/contexts/<Context ID>`.
+                # `projects/&lt;Project ID&gt;/agent/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`,
+                # or `projects/&lt;Project ID&gt;/agent/environments/&lt;Environment ID&gt;/users/&lt;User
+                # ID&gt;/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`.
                 #
                 # The `Context ID` is always converted to lowercase, may only contain
-                # characters in [a-zA-Z0-9_-%] and may be at most 250 bytes long.
+                # characters in a-zA-Z0-9_-% and may be at most 250 bytes long.
+                #
+                # If `Environment ID` is not specified, we assume default 'draft'
+                # environment. If `User ID` is not specified, we assume default '-' user.
+                #
+                # The following context names are reserved for internal use by Dialogflow.
+                # You should not use these contexts or create contexts with these names:
+                #
+                # * `__system_counters__`
+                # * `*_id_dialog_context`
+                # * `*_dialog_params_size`
+            "parameters": { # Optional. The collection of parameters associated with this context.
+                #
+                # Depending on your protocol or client library language, this is a
+                # map, associative array, symbol table, dictionary, or JSON object
+                # composed of a collection of (MapKey, MapValue) pairs:
+                #
+                # -   MapKey type: string
+                # -   MapKey value: parameter name
+                # -   MapValue type:
+                #     -   If parameter's entity type is a composite entity: map
+                #     -   Else: string or number, depending on parameter value type
+                # -   MapValue value:
+                #     -   If parameter's entity type is a composite entity:
+                #         map from composite entity property names to property values
+                #     -   Else: parameter value
+              "a_key": "", # Properties of the object.
+            },
             "lifespanCount": 42, # Optional. The number of conversational query requests after which the
-                # context expires. If set to `0` (the default) the context expires
+                # context expires. The default is `0`. If set to `0`, the context expires
                 # immediately. Contexts expire automatically after 20 minutes if there
                 # are no matching queries.
           },
         ],
+        "inputContextNames": [ # Optional. The list of context names required for this intent to be
+            # triggered.
+            # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
+          "A String",
+        ],
         "events": [ # Optional. The collection of event names that trigger the intent.
             # If the collection of input contexts is not empty, all of the contexts must
             # be present in the active user session for an event to trigger this intent.
+            # Event names are limited to 150 characters.
           "A String",
         ],
       },
@@ -2074,15 +2724,15 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(name, body, languageCode=None, intentView=None, updateMask=None, x__xgafv=None)</code>
+    <code class="details" id="patch">patch(name, body=None, languageCode=None, intentView=None, updateMask=None, x__xgafv=None)</code>
   <pre>Updates the specified intent.
 
 Args:
-  name: string, The unique identifier of this intent.
+  name: string, Optional. The unique identifier of this intent.
 Required for Intents.UpdateIntent and Intents.BatchUpdateIntents
 methods.
-Format: `projects/<Project ID>/agent/intents/<Intent ID>`. (required)
-  body: object, The request body. (required)
+Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Represents an intent.
@@ -2090,14 +2740,14 @@
     # action is an extraction of a user command or sentence semantics.
   "isFallback": True or False, # Optional. Indicates whether this is a fallback intent.
   "mlDisabled": True or False, # Optional. Indicates whether Machine Learning is disabled for the intent.
-      # Note: If `ml_diabled` setting is set to true, then this intent is not
+      # Note: If `ml_disabled` setting is set to true, then this intent is not
       # taken into account during inference in `ML ONLY` match mode. Also,
       # auto-markup in the UI is turned off.
   "displayName": "A String", # Required. The name of this intent.
-  "name": "A String", # The unique identifier of this intent.
+  "name": "A String", # Optional. The unique identifier of this intent.
       # Required for Intents.UpdateIntent and Intents.BatchUpdateIntents
       # methods.
-      # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+      # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
   "parameters": [ # Optional. The collection of parameters associated with the intent.
     { # Represents intent parameters.
       "displayName": "A String", # Required. The name of the parameter.
@@ -2116,7 +2766,7 @@
           # - a parameter value from some context defined as
           #   `#context_name.parameter_name`.
       "prompts": [ # Optional. The collection of prompts that the agent can present to the
-          # user in order to collect value for the parameter.
+          # user in order to collect a value for the parameter.
         "A String",
       ],
       "isList": True or False, # Optional. Indicates whether the parameter represents a list of values.
@@ -2171,17 +2821,27 @@
       # a direct or indirect parent. We populate this field only in the output.
     { # Represents a single followup intent in the chain.
       "followupIntentName": "A String", # The unique identifier of the followup intent.
-          # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+          # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
       "parentFollowupIntentName": "A String", # The unique identifier of the followup intent's parent.
-          # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+          # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     },
   ],
   "webhookState": "A String", # Optional. Indicates whether webhooks are enabled for the intent.
-  "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
-      # session when this intent is matched.
+  "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
+      # chain of followup intents. You can set this field when creating an intent,
+      # for example with CreateIntent or
+      # BatchUpdateIntents, in order to make this
+      # intent a followup intent.
+      # 
+      # It identifies the parent followup intent.
+      # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
   "messages": [ # Optional. The collection of rich messages corresponding to the
       # `Response` field in the Dialogflow console.
-    { # Corresponds to the `Response` field in the Dialogflow console.
+    { # A rich response message.
+        # Corresponds to the intent `Response` field in the Dialogflow console.
+        # For more information, see
+        # [Rich response
+        # messages](https://cloud.google.com/dialogflow/docs/intents-rich-messages).
       "simpleResponses": { # The collection of simple response candidates. # The voice and text-only responses for Actions on Google.
           # This message in `QueryResult.fulfillment_messages` and
           # `WebhookResponse.fulfillment_messages` should contain only one
@@ -2214,6 +2874,26 @@
             # e.g., screen readers.
         "imageUri": "A String", # Optional. The public URI to an image file.
       },
+      "mediaContent": { # The media content card for Actions on Google. # The media content card for Actions on Google.
+        "mediaObjects": [ # Required. List of media objects.
+          { # Response media object for media content card.
+            "contentUrl": "A String", # Required. Url where the media is stored.
+            "description": "A String", # Optional. Description of media card.
+            "name": "A String", # Required. Name of media card.
+            "largeImage": { # The image response message. # Optional. Image to display above media content.
+              "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                  # e.g., screen readers.
+              "imageUri": "A String", # Optional. The public URI to an image file.
+            },
+            "icon": { # The image response message. # Optional. Icon to display above media content.
+              "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                  # e.g., screen readers.
+              "imageUri": "A String", # Optional. The public URI to an image file.
+            },
+          },
+        ],
+        "mediaType": "A String", # Optional. What type of media is the content (ie "audio").
+      },
       "suggestions": { # The collection of suggestions. # The suggestion chips for Actions on Google.
         "suggestions": [ # Required. The list of suggested replies.
           { # The suggestion chip message that the user can tap to quickly post a reply
@@ -2228,6 +2908,31 @@
             # suggestion chip.
         "destinationName": "A String", # Required. The name of the app or site this chip is linking to.
       },
+      "browseCarouselCard": { # Browse Carousel Card for Actions on Google. # Browse carousel card for Actions on Google.
+          # https://developers.google.com/actions/assistant/responses#browsing_carousel
+        "items": [ # Required. List of items in the Browse Carousel Card. Minimum of two
+            # items, maximum of ten.
+          { # Browsing carousel tile
+            "image": { # The image response message. # Optional. Hero image for the carousel item.
+              "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                  # e.g., screen readers.
+              "imageUri": "A String", # Optional. The public URI to an image file.
+            },
+            "title": "A String", # Required. Title of the carousel item. Maximum of two lines of text.
+            "description": "A String", # Optional. Description of the carousel item. Maximum of four lines of
+                # text.
+            "openUriAction": { # Actions on Google action to open a given url. # Required. Action to present to the user.
+              "url": "A String", # Required. URL
+              "urlTypeHint": "A String", # Optional. Specifies the type of viewer that is used when opening
+                  # the URL. Defaults to opening via web browser.
+            },
+            "footer": "A String", # Optional. Text that appears at the bottom of the Browse Carousel
+                # Card. Maximum of one line of text.
+          },
+        ],
+        "imageDisplayOptions": "A String", # Optional. Settings for displaying the image. Applies to every image in
+            # items.
+      },
       "basicCard": { # The basic card message. Useful for displaying information. # The basic card response for Actions on Google.
         "buttons": [ # Optional. The collection of card buttons.
           { # The button object that appears at the bottom of a card.
@@ -2246,6 +2951,39 @@
         "formattedText": "A String", # Required, unless image is present. The body text of the card.
         "title": "A String", # Optional. The title of the card.
       },
+      "tableCard": { # Table card for Actions on Google. # Table card for Actions on Google.
+        "rows": [ # Optional. Rows in this table of data.
+          { # Row of TableCard.
+            "cells": [ # Optional. List of cells that make up this row.
+              { # Cell of TableCardRow.
+                "text": "A String", # Required. Text in this cell.
+              },
+            ],
+            "dividerAfter": True or False, # Optional. Whether to add a visual divider after this row.
+          },
+        ],
+        "subtitle": "A String", # Optional. Subtitle to the title.
+        "title": "A String", # Required. Title of the card.
+        "image": { # The image response message. # Optional. Image which should be displayed on the card.
+          "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+              # e.g., screen readers.
+          "imageUri": "A String", # Optional. The public URI to an image file.
+        },
+        "columnProperties": [ # Optional. Display properties for the columns in this table.
+          { # Column properties for TableCard.
+            "header": "A String", # Required. Column heading.
+            "horizontalAlignment": "A String", # Optional. Defines text alignment for all cells in this column.
+          },
+        ],
+        "buttons": [ # Optional. List of buttons for the card.
+          { # The button object that appears at the bottom of a card.
+            "openUriAction": { # Opens the given URI. # Required. Action to take when a user taps on the button.
+              "uri": "A String", # Required. The HTTP or HTTPS scheme URI.
+            },
+            "title": "A String", # Required. The title of the button.
+          },
+        ],
+      },
       "carouselSelect": { # The card for presenting a carousel of options to select from. # The carousel card response for Actions on Google.
         "items": [ # Required. Carousel items.
           { # An item in the carousel.
@@ -2289,16 +3027,15 @@
             "title": "A String", # Required. The title of the list item.
           },
         ],
+        "subtitle": "A String", # Optional. Subtitle of the list.
         "title": "A String", # Optional. The overall title of the list.
       },
-      "payload": { # Returns a response containing a custom, platform-specific payload.
-          # See the Intent.Message.Platform type for a description of the
-          # structure that may be required for your platform.
+      "payload": { # A custom platform-specific response.
         "a_key": "", # Properties of the object.
       },
       "card": { # The card response message. # The card response.
         "buttons": [ # Optional. The collection of card buttons.
-          { # Optional. Contains information about a button.
+          { # Contains information about a button.
             "text": "A String", # Optional. The text to show on the button.
             "postback": "A String", # Optional. The text to send back to the Dialogflow API or a URI to
                 # open.
@@ -2310,70 +3047,91 @@
       },
     },
   ],
-  "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
-      # chain of followup intents. You can set this field when creating an intent,
-      # for example with CreateIntent or BatchUpdateIntents, in order to
-      # make this intent a followup intent.
-      # 
-      # It identifies the parent followup intent.
-      # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
   "defaultResponsePlatforms": [ # Optional. The list of platforms for which the first responses will be
       # copied from the messages in PLATFORM_UNSPECIFIED (i.e. default platform).
     "A String",
   ],
   "priority": 42, # Optional. The priority of this intent. Higher numbers represent higher
-      # priorities. If this is zero or unspecified, we use the default
-      # priority 500000.
+      # priorities.
       # 
-      # Negative numbers mean that the intent is disabled.
+      # - If the supplied value is unspecified or 0, the service
+      #   translates the value to 500,000, which corresponds to the
+      #   `Normal` priority in the console.
+      # - If the supplied value is negative, the intent is ignored
+      #   in runtime detect intent requests.
   "rootFollowupIntentName": "A String", # Read-only. The unique identifier of the root intent in the chain of
       # followup intents. It identifies the correct followup intents chain for
       # this intent. We populate this field only in the output.
       # 
-      # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
-  "inputContextNames": [ # Optional. The list of context names required for this intent to be
-      # triggered.
-      # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
-    "A String",
-  ],
+      # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
   "action": "A String", # Optional. The name of the action associated with the intent.
       # Note: The action name must not contain whitespaces.
+  "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
+      # session when this intent is matched.
   "outputContexts": [ # Optional. The collection of contexts that are activated when the intent
       # is matched. Context messages in this collection should not set the
       # parameters field. Setting the `lifespan_count` to 0 will reset the context
       # when the intent is matched.
-      # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
+      # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
     { # Represents a context.
-      "parameters": { # Optional. The collection of parameters associated with this context.
-          # Refer to [this
-          # doc](https://cloud.google.com/dialogflow-enterprise/docs/intents-actions-parameters)
-          # for syntax.
-        "a_key": "", # Properties of the object.
-      },
       "name": "A String", # Required. The unique identifier of the context. Format:
-          # `projects/<Project ID>/agent/sessions/<Session ID>/contexts/<Context ID>`.
+          # `projects/&lt;Project ID&gt;/agent/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`,
+          # or `projects/&lt;Project ID&gt;/agent/environments/&lt;Environment ID&gt;/users/&lt;User
+          # ID&gt;/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`.
           #
           # The `Context ID` is always converted to lowercase, may only contain
-          # characters in [a-zA-Z0-9_-%] and may be at most 250 bytes long.
+          # characters in a-zA-Z0-9_-% and may be at most 250 bytes long.
+          #
+          # If `Environment ID` is not specified, we assume default 'draft'
+          # environment. If `User ID` is not specified, we assume default '-' user.
+          #
+          # The following context names are reserved for internal use by Dialogflow.
+          # You should not use these contexts or create contexts with these names:
+          #
+          # * `__system_counters__`
+          # * `*_id_dialog_context`
+          # * `*_dialog_params_size`
+      "parameters": { # Optional. The collection of parameters associated with this context.
+          #
+          # Depending on your protocol or client library language, this is a
+          # map, associative array, symbol table, dictionary, or JSON object
+          # composed of a collection of (MapKey, MapValue) pairs:
+          #
+          # -   MapKey type: string
+          # -   MapKey value: parameter name
+          # -   MapValue type:
+          #     -   If parameter's entity type is a composite entity: map
+          #     -   Else: string or number, depending on parameter value type
+          # -   MapValue value:
+          #     -   If parameter's entity type is a composite entity:
+          #         map from composite entity property names to property values
+          #     -   Else: parameter value
+        "a_key": "", # Properties of the object.
+      },
       "lifespanCount": 42, # Optional. The number of conversational query requests after which the
-          # context expires. If set to `0` (the default) the context expires
+          # context expires. The default is `0`. If set to `0`, the context expires
           # immediately. Contexts expire automatically after 20 minutes if there
           # are no matching queries.
     },
   ],
+  "inputContextNames": [ # Optional. The list of context names required for this intent to be
+      # triggered.
+      # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
+    "A String",
+  ],
   "events": [ # Optional. The collection of event names that trigger the intent.
       # If the collection of input contexts is not empty, all of the contexts must
       # be present in the active user session for an event to trigger this intent.
+      # Event names are limited to 150 characters.
     "A String",
   ],
 }
 
-  languageCode: string, Optional. The language of training phrases, parameters and rich messages
-defined in `intent`. If not specified, the agent's default language is
-used. [Many
-languages](https://cloud.google.com/dialogflow-enterprise/docs/reference/language)
-are supported. Note: languages must be enabled in the agent before they can
-be used.
+  languageCode: string, Optional. The language used to access language-specific data.
+If not specified, the agent's default language is used.
+For more information, see
+[Multilingual intent and entity
+data](https://cloud.google.com/dialogflow/docs/agents-multilingual#intent-entity).
   intentView: string, Optional. The resource view to apply to the returned intent.
   updateMask: string, Optional. The mask to control which fields get updated.
   x__xgafv: string, V1 error format.
@@ -2389,14 +3147,14 @@
       # action is an extraction of a user command or sentence semantics.
     "isFallback": True or False, # Optional. Indicates whether this is a fallback intent.
     "mlDisabled": True or False, # Optional. Indicates whether Machine Learning is disabled for the intent.
-        # Note: If `ml_diabled` setting is set to true, then this intent is not
+        # Note: If `ml_disabled` setting is set to true, then this intent is not
         # taken into account during inference in `ML ONLY` match mode. Also,
         # auto-markup in the UI is turned off.
     "displayName": "A String", # Required. The name of this intent.
-    "name": "A String", # The unique identifier of this intent.
+    "name": "A String", # Optional. The unique identifier of this intent.
         # Required for Intents.UpdateIntent and Intents.BatchUpdateIntents
         # methods.
-        # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+        # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     "parameters": [ # Optional. The collection of parameters associated with the intent.
       { # Represents intent parameters.
         "displayName": "A String", # Required. The name of the parameter.
@@ -2415,7 +3173,7 @@
             # - a parameter value from some context defined as
             #   `#context_name.parameter_name`.
         "prompts": [ # Optional. The collection of prompts that the agent can present to the
-            # user in order to collect value for the parameter.
+            # user in order to collect a value for the parameter.
           "A String",
         ],
         "isList": True or False, # Optional. Indicates whether the parameter represents a list of values.
@@ -2470,17 +3228,27 @@
         # a direct or indirect parent. We populate this field only in the output.
       { # Represents a single followup intent in the chain.
         "followupIntentName": "A String", # The unique identifier of the followup intent.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
         "parentFollowupIntentName": "A String", # The unique identifier of the followup intent's parent.
-            # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
+            # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
       },
     ],
     "webhookState": "A String", # Optional. Indicates whether webhooks are enabled for the intent.
-    "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
-        # session when this intent is matched.
+    "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
+        # chain of followup intents. You can set this field when creating an intent,
+        # for example with CreateIntent or
+        # BatchUpdateIntents, in order to make this
+        # intent a followup intent.
+        #
+        # It identifies the parent followup intent.
+        # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     "messages": [ # Optional. The collection of rich messages corresponding to the
         # `Response` field in the Dialogflow console.
-      { # Corresponds to the `Response` field in the Dialogflow console.
+      { # A rich response message.
+          # Corresponds to the intent `Response` field in the Dialogflow console.
+          # For more information, see
+          # [Rich response
+          # messages](https://cloud.google.com/dialogflow/docs/intents-rich-messages).
         "simpleResponses": { # The collection of simple response candidates. # The voice and text-only responses for Actions on Google.
             # This message in `QueryResult.fulfillment_messages` and
             # `WebhookResponse.fulfillment_messages` should contain only one
@@ -2513,6 +3281,26 @@
               # e.g., screen readers.
           "imageUri": "A String", # Optional. The public URI to an image file.
         },
+        "mediaContent": { # The media content card for Actions on Google. # The media content card for Actions on Google.
+          "mediaObjects": [ # Required. List of media objects.
+            { # Response media object for media content card.
+              "contentUrl": "A String", # Required. Url where the media is stored.
+              "description": "A String", # Optional. Description of media card.
+              "name": "A String", # Required. Name of media card.
+              "largeImage": { # The image response message. # Optional. Image to display above media content.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+              "icon": { # The image response message. # Optional. Icon to display above media content.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+            },
+          ],
+          "mediaType": "A String", # Optional. What type of media is the content (ie "audio").
+        },
         "suggestions": { # The collection of suggestions. # The suggestion chips for Actions on Google.
           "suggestions": [ # Required. The list of suggested replies.
             { # The suggestion chip message that the user can tap to quickly post a reply
@@ -2527,6 +3315,31 @@
               # suggestion chip.
           "destinationName": "A String", # Required. The name of the app or site this chip is linking to.
         },
+        "browseCarouselCard": { # Browse Carousel Card for Actions on Google. # Browse carousel card for Actions on Google.
+            # https://developers.google.com/actions/assistant/responses#browsing_carousel
+          "items": [ # Required. List of items in the Browse Carousel Card. Minimum of two
+              # items, maximum of ten.
+            { # Browsing carousel tile
+              "image": { # The image response message. # Optional. Hero image for the carousel item.
+                "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                    # e.g., screen readers.
+                "imageUri": "A String", # Optional. The public URI to an image file.
+              },
+              "title": "A String", # Required. Title of the carousel item. Maximum of two lines of text.
+              "description": "A String", # Optional. Description of the carousel item. Maximum of four lines of
+                  # text.
+              "openUriAction": { # Actions on Google action to open a given url. # Required. Action to present to the user.
+                "url": "A String", # Required. URL
+                "urlTypeHint": "A String", # Optional. Specifies the type of viewer that is used when opening
+                    # the URL. Defaults to opening via web browser.
+              },
+              "footer": "A String", # Optional. Text that appears at the bottom of the Browse Carousel
+                  # Card. Maximum of one line of text.
+            },
+          ],
+          "imageDisplayOptions": "A String", # Optional. Settings for displaying the image. Applies to every image in
+              # items.
+        },
         "basicCard": { # The basic card message. Useful for displaying information. # The basic card response for Actions on Google.
           "buttons": [ # Optional. The collection of card buttons.
             { # The button object that appears at the bottom of a card.
@@ -2545,6 +3358,39 @@
           "formattedText": "A String", # Required, unless image is present. The body text of the card.
           "title": "A String", # Optional. The title of the card.
         },
+        "tableCard": { # Table card for Actions on Google. # Table card for Actions on Google.
+          "rows": [ # Optional. Rows in this table of data.
+            { # Row of TableCard.
+              "cells": [ # Optional. List of cells that make up this row.
+                { # Cell of TableCardRow.
+                  "text": "A String", # Required. Text in this cell.
+                },
+              ],
+              "dividerAfter": True or False, # Optional. Whether to add a visual divider after this row.
+            },
+          ],
+          "subtitle": "A String", # Optional. Subtitle to the title.
+          "title": "A String", # Required. Title of the card.
+          "image": { # The image response message. # Optional. Image which should be displayed on the card.
+            "accessibilityText": "A String", # Optional. A text description of the image to be used for accessibility,
+                # e.g., screen readers.
+            "imageUri": "A String", # Optional. The public URI to an image file.
+          },
+          "columnProperties": [ # Optional. Display properties for the columns in this table.
+            { # Column properties for TableCard.
+              "header": "A String", # Required. Column heading.
+              "horizontalAlignment": "A String", # Optional. Defines text alignment for all cells in this column.
+            },
+          ],
+          "buttons": [ # Optional. List of buttons for the card.
+            { # The button object that appears at the bottom of a card.
+              "openUriAction": { # Opens the given URI. # Required. Action to take when a user taps on the button.
+                "uri": "A String", # Required. The HTTP or HTTPS scheme URI.
+              },
+              "title": "A String", # Required. The title of the button.
+            },
+          ],
+        },
         "carouselSelect": { # The card for presenting a carousel of options to select from. # The carousel card response for Actions on Google.
           "items": [ # Required. Carousel items.
             { # An item in the carousel.
@@ -2588,16 +3434,15 @@
               "title": "A String", # Required. The title of the list item.
             },
           ],
+          "subtitle": "A String", # Optional. Subtitle of the list.
           "title": "A String", # Optional. The overall title of the list.
         },
-        "payload": { # Returns a response containing a custom, platform-specific payload.
-            # See the Intent.Message.Platform type for a description of the
-            # structure that may be required for your platform.
+        "payload": { # A custom platform-specific response.
           "a_key": "", # Properties of the object.
         },
         "card": { # The card response message. # The card response.
           "buttons": [ # Optional. The collection of card buttons.
-            { # Optional. Contains information about a button.
+            { # Contains information about a button.
               "text": "A String", # Optional. The text to show on the button.
               "postback": "A String", # Optional. The text to send back to the Dialogflow API or a URI to
                   # open.
@@ -2609,60 +3454,82 @@
         },
       },
     ],
-    "parentFollowupIntentName": "A String", # Read-only after creation. The unique identifier of the parent intent in the
-        # chain of followup intents. You can set this field when creating an intent,
-        # for example with CreateIntent or BatchUpdateIntents, in order to
-        # make this intent a followup intent.
-        #
-        # It identifies the parent followup intent.
-        # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
     "defaultResponsePlatforms": [ # Optional. The list of platforms for which the first responses will be
         # copied from the messages in PLATFORM_UNSPECIFIED (i.e. default platform).
       "A String",
     ],
     "priority": 42, # Optional. The priority of this intent. Higher numbers represent higher
-        # priorities. If this is zero or unspecified, we use the default
-        # priority 500000.
+        # priorities.
         #
-        # Negative numbers mean that the intent is disabled.
+        # - If the supplied value is unspecified or 0, the service
+        #   translates the value to 500,000, which corresponds to the
+        #   `Normal` priority in the console.
+        # - If the supplied value is negative, the intent is ignored
+        #   in runtime detect intent requests.
     "rootFollowupIntentName": "A String", # Read-only. The unique identifier of the root intent in the chain of
         # followup intents. It identifies the correct followup intents chain for
         # this intent. We populate this field only in the output.
         #
-        # Format: `projects/<Project ID>/agent/intents/<Intent ID>`.
-    "inputContextNames": [ # Optional. The list of context names required for this intent to be
-        # triggered.
-        # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
-      "A String",
-    ],
+        # Format: `projects/&lt;Project ID&gt;/agent/intents/&lt;Intent ID&gt;`.
     "action": "A String", # Optional. The name of the action associated with the intent.
         # Note: The action name must not contain whitespaces.
+    "resetContexts": True or False, # Optional. Indicates whether to delete all contexts in the current
+        # session when this intent is matched.
     "outputContexts": [ # Optional. The collection of contexts that are activated when the intent
         # is matched. Context messages in this collection should not set the
         # parameters field. Setting the `lifespan_count` to 0 will reset the context
         # when the intent is matched.
-        # Format: `projects/<Project ID>/agent/sessions/-/contexts/<Context ID>`.
+        # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
       { # Represents a context.
-        "parameters": { # Optional. The collection of parameters associated with this context.
-            # Refer to [this
-            # doc](https://cloud.google.com/dialogflow-enterprise/docs/intents-actions-parameters)
-            # for syntax.
-          "a_key": "", # Properties of the object.
-        },
         "name": "A String", # Required. The unique identifier of the context. Format:
-            # `projects/<Project ID>/agent/sessions/<Session ID>/contexts/<Context ID>`.
+            # `projects/&lt;Project ID&gt;/agent/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`,
+            # or `projects/&lt;Project ID&gt;/agent/environments/&lt;Environment ID&gt;/users/&lt;User
+            # ID&gt;/sessions/&lt;Session ID&gt;/contexts/&lt;Context ID&gt;`.
             #
             # The `Context ID` is always converted to lowercase, may only contain
-            # characters in [a-zA-Z0-9_-%] and may be at most 250 bytes long.
+            # characters in a-zA-Z0-9_-% and may be at most 250 bytes long.
+            #
+            # If `Environment ID` is not specified, we assume default 'draft'
+            # environment. If `User ID` is not specified, we assume default '-' user.
+            #
+            # The following context names are reserved for internal use by Dialogflow.
+            # You should not use these contexts or create contexts with these names:
+            #
+            # * `__system_counters__`
+            # * `*_id_dialog_context`
+            # * `*_dialog_params_size`
+        "parameters": { # Optional. The collection of parameters associated with this context.
+            #
+            # Depending on your protocol or client library language, this is a
+            # map, associative array, symbol table, dictionary, or JSON object
+            # composed of a collection of (MapKey, MapValue) pairs:
+            #
+            # -   MapKey type: string
+            # -   MapKey value: parameter name
+            # -   MapValue type:
+            #     -   If parameter's entity type is a composite entity: map
+            #     -   Else: string or number, depending on parameter value type
+            # -   MapValue value:
+            #     -   If parameter's entity type is a composite entity:
+            #         map from composite entity property names to property values
+            #     -   Else: parameter value
+          "a_key": "", # Properties of the object.
+        },
         "lifespanCount": 42, # Optional. The number of conversational query requests after which the
-            # context expires. If set to `0` (the default) the context expires
+            # context expires. The default is `0`. If set to `0`, the context expires
             # immediately. Contexts expire automatically after 20 minutes if there
             # are no matching queries.
       },
     ],
+    "inputContextNames": [ # Optional. The list of context names required for this intent to be
+        # triggered.
+        # Format: `projects/&lt;Project ID&gt;/agent/sessions/-/contexts/&lt;Context ID&gt;`.
+      "A String",
+    ],
     "events": [ # Optional. The collection of event names that trigger the intent.
         # If the collection of input contexts is not empty, all of the contexts must
         # be present in the active user session for an event to trigger this intent.
+        # Event names are limited to 150 characters.
       "A String",
     ],
   }</pre>