diff --git a/api_names_out.yaml b/api_names_out.yaml
index 0dac4aa70..e9d4a42e9 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -122690,6 +122690,7 @@
 "/policytroubleshooter:v1/GoogleIamV1AuditLogConfig/exemptedMembers/exempted_member": exempted_member
 "/policytroubleshooter:v1/GoogleIamV1AuditLogConfig/logType": log_type
 "/policytroubleshooter:v1/GoogleIamV1Binding": google_iam_v1_binding
+"/policytroubleshooter:v1/GoogleIamV1Binding/bindingId": binding_id
 "/policytroubleshooter:v1/GoogleIamV1Binding/condition": condition
 "/policytroubleshooter:v1/GoogleIamV1Binding/members": members
 "/policytroubleshooter:v1/GoogleIamV1Binding/members/member": member
diff --git a/generated/google/apis/policytroubleshooter_v1.rb b/generated/google/apis/policytroubleshooter_v1.rb
index 5bcb1c6ca..2fcd681f9 100644
--- a/generated/google/apis/policytroubleshooter_v1.rb
+++ b/generated/google/apis/policytroubleshooter_v1.rb
@@ -25,7 +25,7 @@ module Google
     # @see https://cloud.google.com/iam/
     module PolicytroubleshooterV1
       VERSION = 'V1'
-      REVISION = '20200801'
+      REVISION = '20201031'
 
       # 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/policytroubleshooter_v1/classes.rb b/generated/google/apis/policytroubleshooter_v1/classes.rb
index bf5451a94..2857e677d 100644
--- a/generated/google/apis/policytroubleshooter_v1/classes.rb
+++ b/generated/google/apis/policytroubleshooter_v1/classes.rb
@@ -388,6 +388,11 @@ module Google
       class GoogleIamV1Binding
         include Google::Apis::Core::Hashable
       
+        # 
+        # Corresponds to the JSON property `bindingId`
+        # @return [String]
+        attr_accessor :binding_id
+      
         # Represents a textual expression in the Common Expression Language (CEL) syntax.
         # CEL is a C-like expression language. The syntax and semantics of CEL are
         # documented at https://github.com/google/cel-spec. Example (Comparison): title:
@@ -449,6 +454,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @binding_id = args[:binding_id] if args.key?(:binding_id)
           @condition = args[:condition] if args.key?(:condition)
           @members = args[:members] if args.key?(:members)
           @role = args[:role] if args.key?(:role)
diff --git a/generated/google/apis/policytroubleshooter_v1/representations.rb b/generated/google/apis/policytroubleshooter_v1/representations.rb
index d58c520b4..780fefd49 100644
--- a/generated/google/apis/policytroubleshooter_v1/representations.rb
+++ b/generated/google/apis/policytroubleshooter_v1/representations.rb
@@ -170,6 +170,7 @@ module Google
       class GoogleIamV1Binding
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :binding_id, as: 'bindingId'
           property :condition, as: 'condition', class: Google::Apis::PolicytroubleshooterV1::GoogleTypeExpr, decorator: Google::Apis::PolicytroubleshooterV1::GoogleTypeExpr::Representation
       
           collection :members, as: 'members'
diff --git a/generated/google/apis/policytroubleshooter_v1/synth.metadata b/generated/google/apis/policytroubleshooter_v1/synth.metadata
index 429012f74..94bafe40a 100644
--- a/generated/google/apis/policytroubleshooter_v1/synth.metadata
+++ b/generated/google/apis/policytroubleshooter_v1/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "c98c719bbab68d0890524d53f8b629d7858af9c2"
+        "sha": "e63bb021e6b8fdd62ae1bbe0030f1af1853c860d"
       }
     }
   ]