diff --git a/model/clusters_mgmt/v1/gcp_authentication_type.model b/model/clusters_mgmt/v1/gcp_authentication_type.model
new file mode 100644
index 00000000..bf54116f
--- /dev/null
+++ b/model/clusters_mgmt/v1/gcp_authentication_type.model
@@ -0,0 +1,21 @@
+/*
+Copyright (c) 2024 Red Hat, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Google cloud platform authentication method of a cluster.
+struct GcpAuthentication {
+    // Self Link
+    Href String
+}
\ No newline at end of file
diff --git a/model/clusters_mgmt/v1/gcp_type.model b/model/clusters_mgmt/v1/gcp_type.model
index 96551c3b..3616d889 100644
--- a/model/clusters_mgmt/v1/gcp_type.model
+++ b/model/clusters_mgmt/v1/gcp_type.model
@@ -38,4 +38,6 @@ struct GCP {
 	ClientX509CertURL       String
 	// GCP Security Settings
 	Security GcpSecurity
+	// GCP Authentication Method
+	Authentication GcpAuthentication
 }