diff --git a/generated/google-apis-dialogflow_v2beta1/CHANGELOG.md b/generated/google-apis-dialogflow_v2beta1/CHANGELOG.md
index b6c34e483..dd6913d5c 100644
--- a/generated/google-apis-dialogflow_v2beta1/CHANGELOG.md
+++ b/generated/google-apis-dialogflow_v2beta1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-dialogflow_v2beta1
 
+### v0.2.0 (2021-01-13)
+
+* Regenerated from discovery document revision 20210108
+
 ### v0.1.0 (2021-01-07)
 
 * Regenerated from discovery document revision 20201231
diff --git a/generated/google-apis-dialogflow_v2beta1/lib/google/apis/dialogflow_v2beta1/classes.rb b/generated/google-apis-dialogflow_v2beta1/lib/google/apis/dialogflow_v2beta1/classes.rb
index 599cbed27..568d736c6 100644
--- a/generated/google-apis-dialogflow_v2beta1/lib/google/apis/dialogflow_v2beta1/classes.rb
+++ b/generated/google-apis-dialogflow_v2beta1/lib/google/apis/dialogflow_v2beta1/classes.rb
@@ -1213,9 +1213,10 @@ module Google
         # conversation to another page in the same flow, or another flow. When we are in
         # a certain page, the TransitionRoutes are evalauted in the following order: *
         # TransitionRoutes defined in the page with intent specified. * TransitionRoutes
-        # defined in the transition route groups. * TransitionRoutes defined in flow
-        # with intent specified. * TransitionRoutes defined in the page with only
-        # condition specified.
+        # defined in the transition route groups with intent specified. *
+        # TransitionRoutes defined in flow with intent specified. * TransitionRoutes
+        # defined in the page with only condition specified. * TransitionRoutes defined
+        # in the transition route groups with only condition specified.
         # Corresponds to the JSON property `transitionRoutes`
         # @return [Array<Google::Apis::DialogflowV2beta1::GoogleCloudDialogflowCxV3TransitionRoute>]
         attr_accessor :transition_routes
@@ -1765,7 +1766,8 @@ module Google
       
         # Always present for WebhookRequest. Ignored for WebhookResponse. The unique
         # identifier of the session. This field can be used by the webhook to identify a
-        # user. Format: `projects//locations//agents//sessions/`.
+        # session. Format: `projects//locations//agents//sessions/` or `projects//
+        # locations//agents//environments//sessions/` if environment is specified.
         # Corresponds to the JSON property `session`
         # @return [String]
         attr_accessor :session
@@ -3520,9 +3522,10 @@ module Google
         # conversation to another page in the same flow, or another flow. When we are in
         # a certain page, the TransitionRoutes are evalauted in the following order: *
         # TransitionRoutes defined in the page with intent specified. * TransitionRoutes
-        # defined in the transition route groups. * TransitionRoutes defined in flow
-        # with intent specified. * TransitionRoutes defined in the page with only
-        # condition specified.
+        # defined in the transition route groups with intent specified. *
+        # TransitionRoutes defined in flow with intent specified. * TransitionRoutes
+        # defined in the page with only condition specified. * TransitionRoutes defined
+        # in the transition route groups with only condition specified.
         # Corresponds to the JSON property `transitionRoutes`
         # @return [Array<Google::Apis::DialogflowV2beta1::GoogleCloudDialogflowCxV3beta1TransitionRoute>]
         attr_accessor :transition_routes
@@ -4072,7 +4075,8 @@ module Google
       
         # Always present for WebhookRequest. Ignored for WebhookResponse. The unique
         # identifier of the session. This field can be used by the webhook to identify a
-        # user. Format: `projects//locations//agents//sessions/`.
+        # session. Format: `projects//locations//agents//sessions/` or `projects//
+        # locations//agents//environments//sessions/` if environment is specified.
         # Corresponds to the JSON property `session`
         # @return [String]
         attr_accessor :session
diff --git a/generated/google-apis-dialogflow_v2beta1/lib/google/apis/dialogflow_v2beta1/gem_version.rb b/generated/google-apis-dialogflow_v2beta1/lib/google/apis/dialogflow_v2beta1/gem_version.rb
index aeddd7755..83e79bdec 100644
--- a/generated/google-apis-dialogflow_v2beta1/lib/google/apis/dialogflow_v2beta1/gem_version.rb
+++ b/generated/google-apis-dialogflow_v2beta1/lib/google/apis/dialogflow_v2beta1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module DialogflowV2beta1
       # Version of the google-apis-dialogflow_v2beta1 gem
-      GEM_VERSION = "0.1.0"
+      GEM_VERSION = "0.2.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.1.1"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20201231"
+      REVISION = "20210108"
     end
   end
 end
diff --git a/generated/google-apis-dialogflow_v2beta1/synth.metadata b/generated/google-apis-dialogflow_v2beta1/synth.metadata
index 535d0881c..d1f513ff0 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": "6de8b4ee653db67c0e789203767a89b32fcf8a51"
+        "sha": "416a3e07b1c434039131ec133ff43cd11975fd0e"
       }
     }
   ]