diff --git a/generated/google/apis/dialogflow_v2beta1.rb b/generated/google/apis/dialogflow_v2beta1.rb
index 1258e2672..f3fd7d8aa 100644
--- a/generated/google/apis/dialogflow_v2beta1.rb
+++ b/generated/google/apis/dialogflow_v2beta1.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://cloud.google.com/dialogflow/
     module DialogflowV2beta1
       VERSION = 'V2beta1'
-      REVISION = '20201028'
+      REVISION = '20201109'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/dialogflow_v2beta1/classes.rb b/generated/google/apis/dialogflow_v2beta1/classes.rb
index 61ce9e5bb..23a1c0b97 100644
--- a/generated/google/apis/dialogflow_v2beta1/classes.rb
+++ b/generated/google/apis/dialogflow_v2beta1/classes.rb
@@ -7658,37 +7658,6 @@ module Google
         end
       end
       
-      # Metadata in google::longrunning::Operation.
-      class GoogleCloudKnowledgeV1alpha1OperationMetadata
-        include Google::Apis::Core::Hashable
-      
-        # The error codes from Manifold endpoints' last failures.
-        # Corresponds to the JSON property `errorCode`
-        # @return [Array<Fixnum>]
-        attr_accessor :error_code
-      
-        # The failure messages from Manifold endpoints' last failures.
-        # Corresponds to the JSON property `message`
-        # @return [Array<String>]
-        attr_accessor :message
-      
-        # Required. The current state of this operation.
-        # Corresponds to the JSON property `state`
-        # @return [String]
-        attr_accessor :state
-      
-        def initialize(**args)
-           update!(**args)
-        end
-      
-        # Update properties of this object
-        def update!(**args)
-          @error_code = args[:error_code] if args.key?(:error_code)
-          @message = args[:message] if args.key?(:message)
-          @state = args[:state] if args.key?(:state)
-        end
-      end
-      
       # The response message for Operations.ListOperations.
       class GoogleLongrunningListOperationsResponse
         include Google::Apis::Core::Hashable
diff --git a/generated/google/apis/dialogflow_v2beta1/representations.rb b/generated/google/apis/dialogflow_v2beta1/representations.rb
index 307c2a73b..83f9ddd08 100644
--- a/generated/google/apis/dialogflow_v2beta1/representations.rb
+++ b/generated/google/apis/dialogflow_v2beta1/representations.rb
@@ -1222,12 +1222,6 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
-      class GoogleCloudKnowledgeV1alpha1OperationMetadata
-        class Representation < Google::Apis::Core::JsonRepresentation; end
-      
-        include Google::Apis::Core::JsonObjectSupport
-      end
-      
       class GoogleLongrunningListOperationsResponse
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -3325,15 +3319,6 @@ module Google
         end
       end
       
-      class GoogleCloudKnowledgeV1alpha1OperationMetadata
-        # @private
-        class Representation < Google::Apis::Core::JsonRepresentation
-          collection :error_code, as: 'errorCode'
-          collection :message, as: 'message'
-          property :state, as: 'state'
-        end
-      end
-      
       class GoogleLongrunningListOperationsResponse
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
diff --git a/generated/google/apis/dialogflow_v2beta1/service.rb b/generated/google/apis/dialogflow_v2beta1/service.rb
index 8b258475b..2a1b1a8ee 100644
--- a/generated/google/apis/dialogflow_v2beta1/service.rb
+++ b/generated/google/apis/dialogflow_v2beta1/service.rb
@@ -2009,9 +2009,12 @@ module Google
         # Reloads the specified document from its specified source, content_uri or
         # content. The previously loaded content of the document will be deleted. Note:
         # Even when the content of the document has not changed, there still may be side
-        # effects because of internal implementation changes. Note: The `projects.agent.
-        # knowledgeBases.documents` resource is deprecated; only use `projects.
-        # knowledgeBases.documents`.
+        # effects because of internal implementation changes. Note: If the document
+        # source is Google Cloud Storage URI, its metadata will be replaced with the
+        # custom metadata from Google Cloud Storage if the `import_gcs_custom_metadata`
+        # field is set to true in the request. Note: The `projects.agent.knowledgeBases.
+        # documents` resource is deprecated; only use `projects.knowledgeBases.documents`
+        # .
         # @param [String] name
         #   Required. The name of the document to reload. Format: `projects//
         #   knowledgeBases//documents/`
@@ -2923,9 +2926,12 @@ module Google
         # Reloads the specified document from its specified source, content_uri or
         # content. The previously loaded content of the document will be deleted. Note:
         # Even when the content of the document has not changed, there still may be side
-        # effects because of internal implementation changes. Note: The `projects.agent.
-        # knowledgeBases.documents` resource is deprecated; only use `projects.
-        # knowledgeBases.documents`.
+        # effects because of internal implementation changes. Note: If the document
+        # source is Google Cloud Storage URI, its metadata will be replaced with the
+        # custom metadata from Google Cloud Storage if the `import_gcs_custom_metadata`
+        # field is set to true in the request. Note: The `projects.agent.knowledgeBases.
+        # documents` resource is deprecated; only use `projects.knowledgeBases.documents`
+        # .
         # @param [String] name
         #   Required. The name of the document to reload. Format: `projects//
         #   knowledgeBases//documents/`
diff --git a/generated/google/apis/dialogflow_v2beta1/synth.metadata b/generated/google/apis/dialogflow_v2beta1/synth.metadata
index c60478971..7f5122644 100644
--- a/generated/google/apis/dialogflow_v2beta1/synth.metadata
+++ b/generated/google/apis/dialogflow_v2beta1/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "79a43ec56f0591043ce631e889c3354471f07c7b"
+        "sha": "e317a0f5e6109142be13031fa9e9baee4d2f897e"
       }
     }
   ]