diff --git a/api_names_out.yaml b/api_names_out.yaml
index faf5cf184e6..d05c19dde8b 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -159718,6 +159718,12 @@
 "/datamanager:v1/RetrieveRequestStatusResponse": retrieve_request_status_response
 "/datamanager:v1/RetrieveRequestStatusResponse/requestStatusPerDestination": request_status_per_destination
 "/datamanager:v1/RetrieveRequestStatusResponse/requestStatusPerDestination/request_status_per_destination": request_status_per_destination
+"/datamanager:v1/Status": status
+"/datamanager:v1/Status/code": code
+"/datamanager:v1/Status/details": details
+"/datamanager:v1/Status/details/detail": detail
+"/datamanager:v1/Status/details/detail/detail": detail
+"/datamanager:v1/Status/message": message
 "/datamanager:v1/TermsOfService": terms_of_service
 "/datamanager:v1/TermsOfService/customerMatchTermsOfServiceStatus": customer_match_terms_of_service_status
 "/datamanager:v1/UserData": user_data
diff --git a/generated/google-apis-datamanager_v1/CHANGELOG.md b/generated/google-apis-datamanager_v1/CHANGELOG.md
index bc5d03d3691..b30ce75cea4 100644
--- a/generated/google-apis-datamanager_v1/CHANGELOG.md
+++ b/generated/google-apis-datamanager_v1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-datamanager_v1
 
+### v0.4.0 (2026-01-11)
+
+* Regenerated from discovery document revision 20260102
+
 ### v0.3.0 (2025-11-23)
 
 * Regenerated from discovery document revision 20251115
diff --git a/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/classes.rb b/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/classes.rb
index 21dade1f48b..24f39786862 100644
--- a/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/classes.rb
+++ b/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/classes.rb
@@ -1403,6 +1403,45 @@ def update!(**args)
         end
       end
       
+      # The `Status` type defines a logical error model that is suitable for different
+      # programming environments, including REST APIs and RPC APIs. It is used by [
+      # gRPC](https://github.com/grpc). Each `Status` message contains three pieces of
+      # data: error code, error message, and error details. You can find out more
+      # about this error model and how to work with it in the [API Design Guide](https:
+      # //cloud.google.com/apis/design/errors).
+      class Status
+        include Google::Apis::Core::Hashable
+      
+        # The status code, which should be an enum value of google.rpc.Code.
+        # Corresponds to the JSON property `code`
+        # @return [Fixnum]
+        attr_accessor :code
+      
+        # A list of messages that carry the error details. There is a common set of
+        # message types for APIs to use.
+        # Corresponds to the JSON property `details`
+        # @return [Array<Hash<String,Object>>]
+        attr_accessor :details
+      
+        # A developer-facing error message, which should be in English. Any user-facing
+        # error message should be localized and sent in the google.rpc.Status.details
+        # field, or localized by the client.
+        # Corresponds to the JSON property `message`
+        # @return [String]
+        attr_accessor :message
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @code = args[:code] if args.key?(:code)
+          @details = args[:details] if args.key?(:details)
+          @message = args[:message] if args.key?(:message)
+        end
+      end
+      
       # The terms of service that the user has accepted/rejected.
       class TermsOfService
         include Google::Apis::Core::Hashable
diff --git a/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/gem_version.rb b/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/gem_version.rb
index e44313e75f5..ac314e5876d 100644
--- a/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/gem_version.rb
+++ b/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module DatamanagerV1
       # Version of the google-apis-datamanager_v1 gem
-      GEM_VERSION = "0.3.0"
+      GEM_VERSION = "0.4.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.18.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20251115"
+      REVISION = "20260102"
     end
   end
 end
diff --git a/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/representations.rb b/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/representations.rb
index 9803fe89e60..075101cbe8e 100644
--- a/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/representations.rb
+++ b/generated/google-apis-datamanager_v1/lib/google/apis/datamanager_v1/representations.rb
@@ -250,6 +250,12 @@ class Representation < Google::Apis::Core::JsonRepresentation; end
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class Status
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class TermsOfService
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -695,6 +701,15 @@ class Representation < Google::Apis::Core::JsonRepresentation
         end
       end
       
+      class Status
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :code, as: 'code'
+          collection :details, as: 'details'
+          property :message, as: 'message'
+        end
+      end
+      
       class TermsOfService
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation