diff --git a/api_names_out.yaml b/api_names_out.yaml
index 716e32d2f..4b26bd7aa 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -7044,6 +7044,10 @@
 "/appengine:v1/CpuUtilization": cpu_utilization
 "/appengine:v1/CpuUtilization/aggregationWindowLength": aggregation_window_length
 "/appengine:v1/CpuUtilization/targetUtilization": target_utilization
+"/appengine:v1/CreateVersionMetadataV1Alpha": create_version_metadata_v1_alpha
+"/appengine:v1/CreateVersionMetadataV1Alpha/cloudBuildId": cloud_build_id
+"/appengine:v1/CreateVersionMetadataV1Beta": create_version_metadata_v1_beta
+"/appengine:v1/CreateVersionMetadataV1Beta/cloudBuildId": cloud_build_id
 "/appengine:v1/DebugInstanceRequest": debug_instance_request
 "/appengine:v1/DebugInstanceRequest/sshKey": ssh_key
 "/appengine:v1/Deployment": deployment
@@ -7212,6 +7216,7 @@
 "/appengine:v1/OperationMetadataV1/warning": warning
 "/appengine:v1/OperationMetadataV1/warning/warning": warning
 "/appengine:v1/OperationMetadataV1Alpha": operation_metadata_v1_alpha
+"/appengine:v1/OperationMetadataV1Alpha/createVersionMetadata": create_version_metadata
 "/appengine:v1/OperationMetadataV1Alpha/endTime": end_time
 "/appengine:v1/OperationMetadataV1Alpha/ephemeralMessage": ephemeral_message
 "/appengine:v1/OperationMetadataV1Alpha/insertTime": insert_time
@@ -7221,6 +7226,7 @@
 "/appengine:v1/OperationMetadataV1Alpha/warning": warning
 "/appengine:v1/OperationMetadataV1Alpha/warning/warning": warning
 "/appengine:v1/OperationMetadataV1Beta": operation_metadata_v1_beta
+"/appengine:v1/OperationMetadataV1Beta/createVersionMetadata": create_version_metadata
 "/appengine:v1/OperationMetadataV1Beta/endTime": end_time
 "/appengine:v1/OperationMetadataV1Beta/ephemeralMessage": ephemeral_message
 "/appengine:v1/OperationMetadataV1Beta/insertTime": insert_time
@@ -7341,6 +7347,8 @@
 "/appengine:v1/Version/threadsafe": threadsafe
 "/appengine:v1/Version/versionUrl": version_url
 "/appengine:v1/Version/vm": vm
+"/appengine:v1/Version/zones": zones
+"/appengine:v1/Version/zones/zone": zone
 "/appengine:v1/Volume": volume
 "/appengine:v1/Volume/name": name
 "/appengine:v1/Volume/sizeGb": size_gb
@@ -7510,6 +7518,10 @@
 "/appengine:v1alpha/CertificateRawData": certificate_raw_data
 "/appengine:v1alpha/CertificateRawData/privateKey": private_key
 "/appengine:v1alpha/CertificateRawData/publicCertificate": public_certificate
+"/appengine:v1alpha/CreateVersionMetadataV1Alpha": create_version_metadata_v1_alpha
+"/appengine:v1alpha/CreateVersionMetadataV1Alpha/cloudBuildId": cloud_build_id
+"/appengine:v1alpha/CreateVersionMetadataV1Beta": create_version_metadata_v1_beta
+"/appengine:v1alpha/CreateVersionMetadataV1Beta/cloudBuildId": cloud_build_id
 "/appengine:v1alpha/DomainMapping": domain_mapping
 "/appengine:v1alpha/DomainMapping/id": id
 "/appengine:v1alpha/DomainMapping/name": name
@@ -7581,6 +7593,7 @@
 "/appengine:v1alpha/OperationMetadataV1/warning": warning
 "/appengine:v1alpha/OperationMetadataV1/warning/warning": warning
 "/appengine:v1alpha/OperationMetadataV1Alpha": operation_metadata_v1_alpha
+"/appengine:v1alpha/OperationMetadataV1Alpha/createVersionMetadata": create_version_metadata
 "/appengine:v1alpha/OperationMetadataV1Alpha/endTime": end_time
 "/appengine:v1alpha/OperationMetadataV1Alpha/ephemeralMessage": ephemeral_message
 "/appengine:v1alpha/OperationMetadataV1Alpha/insertTime": insert_time
@@ -7590,6 +7603,7 @@
 "/appengine:v1alpha/OperationMetadataV1Alpha/warning": warning
 "/appengine:v1alpha/OperationMetadataV1Alpha/warning/warning": warning
 "/appengine:v1alpha/OperationMetadataV1Beta": operation_metadata_v1_beta
+"/appengine:v1alpha/OperationMetadataV1Beta/createVersionMetadata": create_version_metadata
 "/appengine:v1alpha/OperationMetadataV1Beta/endTime": end_time
 "/appengine:v1alpha/OperationMetadataV1Beta/ephemeralMessage": ephemeral_message
 "/appengine:v1alpha/OperationMetadataV1Beta/insertTime": insert_time
@@ -7743,15 +7757,23 @@
 "/appengine:v1beta/CertificateRawData": certificate_raw_data
 "/appengine:v1beta/CertificateRawData/privateKey": private_key
 "/appengine:v1beta/CertificateRawData/publicCertificate": public_certificate
+"/appengine:v1beta/CloudBuildOptions": cloud_build_options
+"/appengine:v1beta/CloudBuildOptions/appYamlPath": app_yaml_path
+"/appengine:v1beta/CloudBuildOptions/cloudBuildTimeout": cloud_build_timeout
 "/appengine:v1beta/ContainerInfo": container_info
 "/appengine:v1beta/ContainerInfo/image": image
 "/appengine:v1beta/CpuUtilization": cpu_utilization
 "/appengine:v1beta/CpuUtilization/aggregationWindowLength": aggregation_window_length
 "/appengine:v1beta/CpuUtilization/targetUtilization": target_utilization
+"/appengine:v1beta/CreateVersionMetadataV1Alpha": create_version_metadata_v1_alpha
+"/appengine:v1beta/CreateVersionMetadataV1Alpha/cloudBuildId": cloud_build_id
+"/appengine:v1beta/CreateVersionMetadataV1Beta": create_version_metadata_v1_beta
+"/appengine:v1beta/CreateVersionMetadataV1Beta/cloudBuildId": cloud_build_id
 "/appengine:v1beta/DebugInstanceRequest": debug_instance_request
 "/appengine:v1beta/DebugInstanceRequest/sshKey": ssh_key
 "/appengine:v1beta/Deployment": deployment
 "/appengine:v1beta/Deployment/build": build
+"/appengine:v1beta/Deployment/cloudBuildOptions": cloud_build_options
 "/appengine:v1beta/Deployment/container": container
 "/appengine:v1beta/Deployment/files": files
 "/appengine:v1beta/Deployment/files/file": file
@@ -7921,6 +7943,7 @@
 "/appengine:v1beta/OperationMetadataV1/warning": warning
 "/appengine:v1beta/OperationMetadataV1/warning/warning": warning
 "/appengine:v1beta/OperationMetadataV1Alpha": operation_metadata_v1_alpha
+"/appengine:v1beta/OperationMetadataV1Alpha/createVersionMetadata": create_version_metadata
 "/appengine:v1beta/OperationMetadataV1Alpha/endTime": end_time
 "/appengine:v1beta/OperationMetadataV1Alpha/ephemeralMessage": ephemeral_message
 "/appengine:v1beta/OperationMetadataV1Alpha/insertTime": insert_time
@@ -7930,6 +7953,7 @@
 "/appengine:v1beta/OperationMetadataV1Alpha/warning": warning
 "/appengine:v1beta/OperationMetadataV1Alpha/warning/warning": warning
 "/appengine:v1beta/OperationMetadataV1Beta": operation_metadata_v1_beta
+"/appengine:v1beta/OperationMetadataV1Beta/createVersionMetadata": create_version_metadata
 "/appengine:v1beta/OperationMetadataV1Beta/endTime": end_time
 "/appengine:v1beta/OperationMetadataV1Beta/ephemeralMessage": ephemeral_message
 "/appengine:v1beta/OperationMetadataV1Beta/insertTime": insert_time
@@ -8052,6 +8076,8 @@
 "/appengine:v1beta/Version/threadsafe": threadsafe
 "/appengine:v1beta/Version/versionUrl": version_url
 "/appengine:v1beta/Version/vm": vm
+"/appengine:v1beta/Version/zones": zones
+"/appengine:v1beta/Version/zones/zone": zone
 "/appengine:v1beta/Volume": volume
 "/appengine:v1beta/Volume/name": name
 "/appengine:v1beta/Volume/sizeGb": size_gb
@@ -8244,6 +8270,10 @@
 "/appengine:v1beta4/CpuUtilization": cpu_utilization
 "/appengine:v1beta4/CpuUtilization/aggregationWindowLength": aggregation_window_length
 "/appengine:v1beta4/CpuUtilization/targetUtilization": target_utilization
+"/appengine:v1beta4/CreateVersionMetadataV1Alpha": create_version_metadata_v1_alpha
+"/appengine:v1beta4/CreateVersionMetadataV1Alpha/cloudBuildId": cloud_build_id
+"/appengine:v1beta4/CreateVersionMetadataV1Beta": create_version_metadata_v1_beta
+"/appengine:v1beta4/CreateVersionMetadataV1Beta/cloudBuildId": cloud_build_id
 "/appengine:v1beta4/DebugInstanceRequest": debug_instance_request
 "/appengine:v1beta4/DebugInstanceRequest/sshKey": ssh_key
 "/appengine:v1beta4/Deployment": deployment
@@ -8378,6 +8408,7 @@
 "/appengine:v1beta4/OperationMetadataV1/warning": warning
 "/appengine:v1beta4/OperationMetadataV1/warning/warning": warning
 "/appengine:v1beta4/OperationMetadataV1Alpha": operation_metadata_v1_alpha
+"/appengine:v1beta4/OperationMetadataV1Alpha/createVersionMetadata": create_version_metadata
 "/appengine:v1beta4/OperationMetadataV1Alpha/endTime": end_time
 "/appengine:v1beta4/OperationMetadataV1Alpha/ephemeralMessage": ephemeral_message
 "/appengine:v1beta4/OperationMetadataV1Alpha/insertTime": insert_time
@@ -8387,6 +8418,7 @@
 "/appengine:v1beta4/OperationMetadataV1Alpha/warning": warning
 "/appengine:v1beta4/OperationMetadataV1Alpha/warning/warning": warning
 "/appengine:v1beta4/OperationMetadataV1Beta": operation_metadata_v1_beta
+"/appengine:v1beta4/OperationMetadataV1Beta/createVersionMetadata": create_version_metadata
 "/appengine:v1beta4/OperationMetadataV1Beta/endTime": end_time
 "/appengine:v1beta4/OperationMetadataV1Beta/ephemeralMessage": ephemeral_message
 "/appengine:v1beta4/OperationMetadataV1Beta/insertTime": insert_time
@@ -8621,6 +8653,10 @@
 "/appengine:v1beta5/CpuUtilization": cpu_utilization
 "/appengine:v1beta5/CpuUtilization/aggregationWindowLength": aggregation_window_length
 "/appengine:v1beta5/CpuUtilization/targetUtilization": target_utilization
+"/appengine:v1beta5/CreateVersionMetadataV1Alpha": create_version_metadata_v1_alpha
+"/appengine:v1beta5/CreateVersionMetadataV1Alpha/cloudBuildId": cloud_build_id
+"/appengine:v1beta5/CreateVersionMetadataV1Beta": create_version_metadata_v1_beta
+"/appengine:v1beta5/CreateVersionMetadataV1Beta/cloudBuildId": cloud_build_id
 "/appengine:v1beta5/DebugInstanceRequest": debug_instance_request
 "/appengine:v1beta5/DebugInstanceRequest/sshKey": ssh_key
 "/appengine:v1beta5/Deployment": deployment
@@ -8752,6 +8788,7 @@
 "/appengine:v1beta5/OperationMetadataV1/warning": warning
 "/appengine:v1beta5/OperationMetadataV1/warning/warning": warning
 "/appengine:v1beta5/OperationMetadataV1Alpha": operation_metadata_v1_alpha
+"/appengine:v1beta5/OperationMetadataV1Alpha/createVersionMetadata": create_version_metadata
 "/appengine:v1beta5/OperationMetadataV1Alpha/endTime": end_time
 "/appengine:v1beta5/OperationMetadataV1Alpha/ephemeralMessage": ephemeral_message
 "/appengine:v1beta5/OperationMetadataV1Alpha/insertTime": insert_time
@@ -8761,6 +8798,7 @@
 "/appengine:v1beta5/OperationMetadataV1Alpha/warning": warning
 "/appengine:v1beta5/OperationMetadataV1Alpha/warning/warning": warning
 "/appengine:v1beta5/OperationMetadataV1Beta": operation_metadata_v1_beta
+"/appengine:v1beta5/OperationMetadataV1Beta/createVersionMetadata": create_version_metadata
 "/appengine:v1beta5/OperationMetadataV1Beta/endTime": end_time
 "/appengine:v1beta5/OperationMetadataV1Beta/ephemeralMessage": ephemeral_message
 "/appengine:v1beta5/OperationMetadataV1Beta/insertTime": insert_time
diff --git a/generated/google/apis/appengine_v1.rb b/generated/google/apis/appengine_v1.rb
index f303b1cf4..94c1a6ab4 100644
--- a/generated/google/apis/appengine_v1.rb
+++ b/generated/google/apis/appengine_v1.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://cloud.google.com/appengine/docs/admin-api/
     module AppengineV1
       VERSION = 'V1'
-      REVISION = '20171213'
+      REVISION = '20171220'
 
       # View and manage your applications deployed on Google App Engine
       AUTH_APPENGINE_ADMIN = 'https://www.googleapis.com/auth/appengine.admin'
diff --git a/generated/google/apis/appengine_v1/classes.rb b/generated/google/apis/appengine_v1/classes.rb
index 3ed7d8039..73d22fde1 100644
--- a/generated/google/apis/appengine_v1/classes.rb
+++ b/generated/google/apis/appengine_v1/classes.rb
@@ -545,6 +545,48 @@ module Google
         end
       end
       
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1alpha.CreateVersionRequest.
+      class CreateVersionMetadataV1Alpha
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1beta.CreateVersionRequest.
+      class CreateVersionMetadataV1Beta
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
       # Request message for Instances.DebugInstance.
       class DebugInstanceRequest
         include Google::Apis::Core::Hashable
@@ -1784,6 +1826,12 @@ module Google
       class OperationMetadataV1Alpha
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1alpha.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1::CreateVersionMetadataV1Alpha]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -1828,6 +1876,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
@@ -1842,6 +1891,12 @@ module Google
       class OperationMetadataV1Beta
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1beta.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1::CreateVersionMetadataV1Beta]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -1886,6 +1941,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
@@ -2191,14 +2247,14 @@ module Google
       class StandardSchedulerSettings
         include Google::Apis::Core::Hashable
       
-        # Maximum number of instances for an app version. Set to a non-positive value (0
-        # by convention) to disable max_instances configuration.
+        # Maximum number of instances for an app version. Set to zero to disable
+        # max_instances configuration.
         # Corresponds to the JSON property `maxInstances`
         # @return [Fixnum]
         attr_accessor :max_instances
       
-        # Minimum number of instances for an app version. Set to a non-positive value (0
-        # by convention) to disable min_instances configuration.
+        # Minimum number of instances for an app version. Set to zero to disable
+        # min_instances configuration.
         # Corresponds to the JSON property `minInstances`
         # @return [Fixnum]
         attr_accessor :min_instances
@@ -2704,6 +2760,11 @@ module Google
         attr_accessor :vm
         alias_method :vm?, :vm
       
+        # The choice of gce zones to use for this App Engine Flexible version.
+        # Corresponds to the JSON property `zones`
+        # @return [Array<String>]
+        attr_accessor :zones
+      
         def initialize(**args)
            update!(**args)
         end
@@ -2742,6 +2803,7 @@ module Google
           @threadsafe = args[:threadsafe] if args.key?(:threadsafe)
           @version_url = args[:version_url] if args.key?(:version_url)
           @vm = args[:vm] if args.key?(:vm)
+          @zones = args[:zones] if args.key?(:zones)
         end
       end
       
diff --git a/generated/google/apis/appengine_v1/representations.rb b/generated/google/apis/appengine_v1/representations.rb
index 37ed06427..947f50b08 100644
--- a/generated/google/apis/appengine_v1/representations.rb
+++ b/generated/google/apis/appengine_v1/representations.rb
@@ -94,6 +94,18 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class CreateVersionMetadataV1Alpha
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
+      class CreateVersionMetadataV1Beta
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class DebugInstanceRequest
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -540,6 +552,20 @@ module Google
         end
       end
       
+      class CreateVersionMetadataV1Alpha
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
+      class CreateVersionMetadataV1Beta
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
       class DebugInstanceRequest
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -862,6 +888,8 @@ module Google
       class OperationMetadataV1Alpha
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1::CreateVersionMetadataV1Alpha, decorator: Google::Apis::AppengineV1::CreateVersionMetadataV1Alpha::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'
@@ -875,6 +903,8 @@ module Google
       class OperationMetadataV1Beta
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1::CreateVersionMetadataV1Beta, decorator: Google::Apis::AppengineV1::CreateVersionMetadataV1Beta::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'
@@ -1082,6 +1112,7 @@ module Google
           property :threadsafe, as: 'threadsafe'
           property :version_url, as: 'versionUrl'
           property :vm, as: 'vm'
+          collection :zones, as: 'zones'
         end
       end
       
diff --git a/generated/google/apis/appengine_v1alpha.rb b/generated/google/apis/appengine_v1alpha.rb
index 27c36a494..cb3046c20 100644
--- a/generated/google/apis/appengine_v1alpha.rb
+++ b/generated/google/apis/appengine_v1alpha.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://cloud.google.com/appengine/docs/admin-api/
     module AppengineV1alpha
       VERSION = 'V1alpha'
-      REVISION = '20171026'
+      REVISION = '20171220'
 
       # View and manage your applications deployed on Google App Engine
       AUTH_APPENGINE_ADMIN = 'https://www.googleapis.com/auth/appengine.admin'
diff --git a/generated/google/apis/appengine_v1alpha/classes.rb b/generated/google/apis/appengine_v1alpha/classes.rb
index 1e64cb49a..867bb0286 100644
--- a/generated/google/apis/appengine_v1alpha/classes.rb
+++ b/generated/google/apis/appengine_v1alpha/classes.rb
@@ -165,6 +165,48 @@ module Google
         end
       end
       
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1alpha.CreateVersionRequest.
+      class CreateVersionMetadataV1Alpha
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1beta.CreateVersionRequest.
+      class CreateVersionMetadataV1Beta
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
       # A domain serving an App Engine application.
       class DomainMapping
         include Google::Apis::Core::Hashable
@@ -648,6 +690,12 @@ module Google
       class OperationMetadataV1Alpha
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1alpha.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1alpha::CreateVersionMetadataV1Alpha]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -692,6 +740,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
@@ -706,6 +755,12 @@ module Google
       class OperationMetadataV1Beta
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1beta.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1alpha::CreateVersionMetadataV1Beta]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -750,6 +805,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
diff --git a/generated/google/apis/appengine_v1alpha/representations.rb b/generated/google/apis/appengine_v1alpha/representations.rb
index a0dfbecd8..21bc43f6a 100644
--- a/generated/google/apis/appengine_v1alpha/representations.rb
+++ b/generated/google/apis/appengine_v1alpha/representations.rb
@@ -40,6 +40,18 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class CreateVersionMetadataV1Alpha
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
+      class CreateVersionMetadataV1Beta
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class DomainMapping
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -187,6 +199,20 @@ module Google
         end
       end
       
+      class CreateVersionMetadataV1Alpha
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
+      class CreateVersionMetadataV1Beta
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
       class DomainMapping
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -316,6 +342,8 @@ module Google
       class OperationMetadataV1Alpha
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1alpha::CreateVersionMetadataV1Alpha, decorator: Google::Apis::AppengineV1alpha::CreateVersionMetadataV1Alpha::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'
@@ -329,6 +357,8 @@ module Google
       class OperationMetadataV1Beta
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1alpha::CreateVersionMetadataV1Beta, decorator: Google::Apis::AppengineV1alpha::CreateVersionMetadataV1Beta::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'
diff --git a/generated/google/apis/appengine_v1beta.rb b/generated/google/apis/appengine_v1beta.rb
index d27792ccf..6e2085d0e 100644
--- a/generated/google/apis/appengine_v1beta.rb
+++ b/generated/google/apis/appengine_v1beta.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://cloud.google.com/appengine/docs/admin-api/
     module AppengineV1beta
       VERSION = 'V1beta'
-      REVISION = '20171213'
+      REVISION = '20171220'
 
       # View and manage your applications deployed on Google App Engine
       AUTH_APPENGINE_ADMIN = 'https://www.googleapis.com/auth/appengine.admin'
diff --git a/generated/google/apis/appengine_v1beta/classes.rb b/generated/google/apis/appengine_v1beta/classes.rb
index 8407bf888..cc2e6652c 100644
--- a/generated/google/apis/appengine_v1beta/classes.rb
+++ b/generated/google/apis/appengine_v1beta/classes.rb
@@ -523,6 +523,36 @@ module Google
         end
       end
       
+      # Options for the build operations performed as a part of the version deployment.
+      # Only applicable for App Engine flexible environment when creating a version
+      # using source code directly.
+      class CloudBuildOptions
+        include Google::Apis::Core::Hashable
+      
+        # Path to the yaml file used in deployment, used to determine runtime
+        # configuration details.Required for flexible environment builds.See https://
+        # cloud.google.com/appengine/docs/standard/python/config/appref for more details.
+        # Corresponds to the JSON property `appYamlPath`
+        # @return [String]
+        attr_accessor :app_yaml_path
+      
+        # The Cloud Build timeout used as part of any dependent builds performed by
+        # version creation. Defaults to 10 minutes.
+        # Corresponds to the JSON property `cloudBuildTimeout`
+        # @return [String]
+        attr_accessor :cloud_build_timeout
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @app_yaml_path = args[:app_yaml_path] if args.key?(:app_yaml_path)
+          @cloud_build_timeout = args[:cloud_build_timeout] if args.key?(:cloud_build_timeout)
+        end
+      end
+      
       # Docker image that is used to create a container and start a VM instance for
       # the version that you deploy. Only applicable for instances running in the App
       # Engine flexible environment.
@@ -571,6 +601,48 @@ module Google
         end
       end
       
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1alpha.CreateVersionRequest.
+      class CreateVersionMetadataV1Alpha
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1beta.CreateVersionRequest.
+      class CreateVersionMetadataV1Beta
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
       # Request message for Instances.DebugInstance.
       class DebugInstanceRequest
         include Google::Apis::Core::Hashable
@@ -603,6 +675,13 @@ module Google
         # @return [Google::Apis::AppengineV1beta::BuildInfo]
         attr_accessor :build
       
+        # Options for the build operations performed as a part of the version deployment.
+        # Only applicable for App Engine flexible environment when creating a version
+        # using source code directly.
+        # Corresponds to the JSON property `cloudBuildOptions`
+        # @return [Google::Apis::AppengineV1beta::CloudBuildOptions]
+        attr_accessor :cloud_build_options
+      
         # Docker image that is used to create a container and start a VM instance for
         # the version that you deploy. Only applicable for instances running in the App
         # Engine flexible environment.
@@ -629,6 +708,7 @@ module Google
         # Update properties of this object
         def update!(**args)
           @build = args[:build] if args.key?(:build)
+          @cloud_build_options = args[:cloud_build_options] if args.key?(:cloud_build_options)
           @container = args[:container] if args.key?(:container)
           @files = args[:files] if args.key?(:files)
           @zip = args[:zip] if args.key?(:zip)
@@ -1855,6 +1935,12 @@ module Google
       class OperationMetadataV1Alpha
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1alpha.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1beta::CreateVersionMetadataV1Alpha]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -1899,6 +1985,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
@@ -1913,6 +2000,12 @@ module Google
       class OperationMetadataV1Beta
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1beta.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1beta::CreateVersionMetadataV1Beta]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -1957,6 +2050,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
@@ -2286,14 +2380,14 @@ module Google
       class StandardSchedulerSettings
         include Google::Apis::Core::Hashable
       
-        # Maximum number of instances for an app version. Set to a non-positive value (0
-        # by convention) to disable max_instances configuration.
+        # Maximum number of instances for an app version. Set to zero to disable
+        # max_instances configuration.
         # Corresponds to the JSON property `maxInstances`
         # @return [Fixnum]
         attr_accessor :max_instances
       
-        # Minimum number of instances for an app version. Set to a non-positive value (0
-        # by convention) to disable min_instances configuration.
+        # Minimum number of instances for an app version. Set to zero to disable
+        # min_instances configuration.
         # Corresponds to the JSON property `minInstances`
         # @return [Fixnum]
         attr_accessor :min_instances
@@ -2799,6 +2893,11 @@ module Google
         attr_accessor :vm
         alias_method :vm?, :vm
       
+        # The choice of gce zones to use for this App Engine Flexible version.
+        # Corresponds to the JSON property `zones`
+        # @return [Array<String>]
+        attr_accessor :zones
+      
         def initialize(**args)
            update!(**args)
         end
@@ -2837,6 +2936,7 @@ module Google
           @threadsafe = args[:threadsafe] if args.key?(:threadsafe)
           @version_url = args[:version_url] if args.key?(:version_url)
           @vm = args[:vm] if args.key?(:vm)
+          @zones = args[:zones] if args.key?(:zones)
         end
       end
       
diff --git a/generated/google/apis/appengine_v1beta/representations.rb b/generated/google/apis/appengine_v1beta/representations.rb
index ea8bd17df..95737534b 100644
--- a/generated/google/apis/appengine_v1beta/representations.rb
+++ b/generated/google/apis/appengine_v1beta/representations.rb
@@ -88,6 +88,12 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class CloudBuildOptions
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class ContainerInfo
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -100,6 +106,18 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class CreateVersionMetadataV1Alpha
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
+      class CreateVersionMetadataV1Beta
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class DebugInstanceRequest
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -546,6 +564,14 @@ module Google
         end
       end
       
+      class CloudBuildOptions
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :app_yaml_path, as: 'appYamlPath'
+          property :cloud_build_timeout, as: 'cloudBuildTimeout'
+        end
+      end
+      
       class ContainerInfo
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -561,6 +587,20 @@ module Google
         end
       end
       
+      class CreateVersionMetadataV1Alpha
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
+      class CreateVersionMetadataV1Beta
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
       class DebugInstanceRequest
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -573,6 +613,8 @@ module Google
         class Representation < Google::Apis::Core::JsonRepresentation
           property :build, as: 'build', class: Google::Apis::AppengineV1beta::BuildInfo, decorator: Google::Apis::AppengineV1beta::BuildInfo::Representation
       
+          property :cloud_build_options, as: 'cloudBuildOptions', class: Google::Apis::AppengineV1beta::CloudBuildOptions, decorator: Google::Apis::AppengineV1beta::CloudBuildOptions::Representation
+      
           property :container, as: 'container', class: Google::Apis::AppengineV1beta::ContainerInfo, decorator: Google::Apis::AppengineV1beta::ContainerInfo::Representation
       
           hash :files, as: 'files', class: Google::Apis::AppengineV1beta::FileInfo, decorator: Google::Apis::AppengineV1beta::FileInfo::Representation
@@ -894,6 +936,8 @@ module Google
       class OperationMetadataV1Alpha
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1beta::CreateVersionMetadataV1Alpha, decorator: Google::Apis::AppengineV1beta::CreateVersionMetadataV1Alpha::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'
@@ -907,6 +951,8 @@ module Google
       class OperationMetadataV1Beta
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1beta::CreateVersionMetadataV1Beta, decorator: Google::Apis::AppengineV1beta::CreateVersionMetadataV1Beta::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'
@@ -1116,6 +1162,7 @@ module Google
           property :threadsafe, as: 'threadsafe'
           property :version_url, as: 'versionUrl'
           property :vm, as: 'vm'
+          collection :zones, as: 'zones'
         end
       end
       
diff --git a/generated/google/apis/appengine_v1beta4.rb b/generated/google/apis/appengine_v1beta4.rb
index 0a4ba25d5..1c5ff23e1 100644
--- a/generated/google/apis/appengine_v1beta4.rb
+++ b/generated/google/apis/appengine_v1beta4.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://cloud.google.com/appengine/docs/admin-api/
     module AppengineV1beta4
       VERSION = 'V1beta4'
-      REVISION = '20171026'
+      REVISION = '20171220'
 
       # View and manage your applications deployed on Google App Engine
       AUTH_APPENGINE_ADMIN = 'https://www.googleapis.com/auth/appengine.admin'
diff --git a/generated/google/apis/appengine_v1beta4/classes.rb b/generated/google/apis/appengine_v1beta4/classes.rb
index cb7363ead..6604ca811 100644
--- a/generated/google/apis/appengine_v1beta4/classes.rb
+++ b/generated/google/apis/appengine_v1beta4/classes.rb
@@ -340,6 +340,48 @@ module Google
         end
       end
       
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1alpha.CreateVersionRequest.
+      class CreateVersionMetadataV1Alpha
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1beta.CreateVersionRequest.
+      class CreateVersionMetadataV1Beta
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
       # Request message for Instances.DebugInstance.
       class DebugInstanceRequest
         include Google::Apis::Core::Hashable
@@ -1309,6 +1351,12 @@ module Google
       class OperationMetadataV1Alpha
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1alpha.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1beta4::CreateVersionMetadataV1Alpha]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -1353,6 +1401,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
@@ -1367,6 +1416,12 @@ module Google
       class OperationMetadataV1Beta
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1beta.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1beta4::CreateVersionMetadataV1Beta]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -1411,6 +1466,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
diff --git a/generated/google/apis/appengine_v1beta4/representations.rb b/generated/google/apis/appengine_v1beta4/representations.rb
index a08286354..2bdd8acc9 100644
--- a/generated/google/apis/appengine_v1beta4/representations.rb
+++ b/generated/google/apis/appengine_v1beta4/representations.rb
@@ -64,6 +64,18 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class CreateVersionMetadataV1Alpha
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
+      class CreateVersionMetadataV1Beta
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class DebugInstanceRequest
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -379,6 +391,20 @@ module Google
         end
       end
       
+      class CreateVersionMetadataV1Alpha
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
+      class CreateVersionMetadataV1Beta
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
       class DebugInstanceRequest
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -626,6 +652,8 @@ module Google
       class OperationMetadataV1Alpha
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1beta4::CreateVersionMetadataV1Alpha, decorator: Google::Apis::AppengineV1beta4::CreateVersionMetadataV1Alpha::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'
@@ -639,6 +667,8 @@ module Google
       class OperationMetadataV1Beta
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1beta4::CreateVersionMetadataV1Beta, decorator: Google::Apis::AppengineV1beta4::CreateVersionMetadataV1Beta::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'
diff --git a/generated/google/apis/appengine_v1beta5.rb b/generated/google/apis/appengine_v1beta5.rb
index 5e09dfecf..5e5e9000e 100644
--- a/generated/google/apis/appengine_v1beta5.rb
+++ b/generated/google/apis/appengine_v1beta5.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://cloud.google.com/appengine/docs/admin-api/
     module AppengineV1beta5
       VERSION = 'V1beta5'
-      REVISION = '20171026'
+      REVISION = '20171220'
 
       # View and manage your applications deployed on Google App Engine
       AUTH_APPENGINE_ADMIN = 'https://www.googleapis.com/auth/appengine.admin'
diff --git a/generated/google/apis/appengine_v1beta5/classes.rb b/generated/google/apis/appengine_v1beta5/classes.rb
index 9d4dc1a89..6f99e37da 100644
--- a/generated/google/apis/appengine_v1beta5/classes.rb
+++ b/generated/google/apis/appengine_v1beta5/classes.rb
@@ -340,6 +340,48 @@ module Google
         end
       end
       
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1alpha.CreateVersionRequest.
+      class CreateVersionMetadataV1Alpha
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
+      # Metadata for the given google.longrunning.Operation during a google.appengine.
+      # v1beta.CreateVersionRequest.
+      class CreateVersionMetadataV1Beta
+        include Google::Apis::Core::Hashable
+      
+        # The Cloud Build ID if one was created as part of the version create. @
+        # OutputOnly
+        # Corresponds to the JSON property `cloudBuildId`
+        # @return [String]
+        attr_accessor :cloud_build_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @cloud_build_id = args[:cloud_build_id] if args.key?(:cloud_build_id)
+        end
+      end
+      
       # Request message for Instances.DebugInstance.
       class DebugInstanceRequest
         include Google::Apis::Core::Hashable
@@ -1289,6 +1331,12 @@ module Google
       class OperationMetadataV1Alpha
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1alpha.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1beta5::CreateVersionMetadataV1Alpha]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -1333,6 +1381,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
@@ -1347,6 +1396,12 @@ module Google
       class OperationMetadataV1Beta
         include Google::Apis::Core::Hashable
       
+        # Metadata for the given google.longrunning.Operation during a google.appengine.
+        # v1beta.CreateVersionRequest.
+        # Corresponds to the JSON property `createVersionMetadata`
+        # @return [Google::Apis::AppengineV1beta5::CreateVersionMetadataV1Beta]
+        attr_accessor :create_version_metadata
+      
         # Time that this operation completed.@OutputOnly
         # Corresponds to the JSON property `endTime`
         # @return [String]
@@ -1391,6 +1446,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @create_version_metadata = args[:create_version_metadata] if args.key?(:create_version_metadata)
           @end_time = args[:end_time] if args.key?(:end_time)
           @ephemeral_message = args[:ephemeral_message] if args.key?(:ephemeral_message)
           @insert_time = args[:insert_time] if args.key?(:insert_time)
diff --git a/generated/google/apis/appengine_v1beta5/representations.rb b/generated/google/apis/appengine_v1beta5/representations.rb
index e23c39cb7..90293413f 100644
--- a/generated/google/apis/appengine_v1beta5/representations.rb
+++ b/generated/google/apis/appengine_v1beta5/representations.rb
@@ -64,6 +64,18 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class CreateVersionMetadataV1Alpha
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
+      class CreateVersionMetadataV1Beta
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class DebugInstanceRequest
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -373,6 +385,20 @@ module Google
         end
       end
       
+      class CreateVersionMetadataV1Alpha
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
+      class CreateVersionMetadataV1Beta
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :cloud_build_id, as: 'cloudBuildId'
+        end
+      end
+      
       class DebugInstanceRequest
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -611,6 +637,8 @@ module Google
       class OperationMetadataV1Alpha
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1beta5::CreateVersionMetadataV1Alpha, decorator: Google::Apis::AppengineV1beta5::CreateVersionMetadataV1Alpha::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'
@@ -624,6 +652,8 @@ module Google
       class OperationMetadataV1Beta
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :create_version_metadata, as: 'createVersionMetadata', class: Google::Apis::AppengineV1beta5::CreateVersionMetadataV1Beta, decorator: Google::Apis::AppengineV1beta5::CreateVersionMetadataV1Beta::Representation
+      
           property :end_time, as: 'endTime'
           property :ephemeral_message, as: 'ephemeralMessage'
           property :insert_time, as: 'insertTime'