diff --git a/openstack/cce/v3/clusters/results.go b/openstack/cce/v3/clusters/results.go
index 629451ae2..530dc4cbd 100644
--- a/openstack/cce/v3/clusters/results.go
+++ b/openstack/cce/v3/clusters/results.go
@@ -54,6 +54,8 @@ type Spec struct {
 	HostNetwork HostNetworkSpec `json:"hostNetwork" required:"true"`
 	//Container network parameters
 	ContainerNetwork ContainerNetworkSpec `json:"containerNetwork" required:"true"`
+	//Authentication parameters
+	Authentication AuthenticationSpec `json:"authentication,omitempty"`
 	// Charging mode of the cluster, which is 0 (on demand)
 	BillingMode int `json:"billingMode,omitempty"`
 	//Extended parameter for a cluster
@@ -79,6 +81,13 @@ type ContainerNetworkSpec struct {
 	Cidr string `json:"cidr,omitempty"`
 }
 
+//Authentication parameters
+type AuthenticationSpec struct {
+	//Authentication mode: rbac , x509 or authenticating_proxy
+	Mode                string            `json:"mode" required:"true"`
+	AuthenticatingProxy map[string]string `json:"authenticatingProxy" required:"true"`
+}
+
 type Status struct {
 	//The state of the cluster
 	Phase string `json:"phase"`
diff --git a/openstack/cce/v3/clusters/testing/requests_test.go b/openstack/cce/v3/clusters/testing/requests_test.go
index 8cc22b551..acd4639e0 100644
--- a/openstack/cce/v3/clusters/testing/requests_test.go
+++ b/openstack/cce/v3/clusters/testing/requests_test.go
@@ -129,6 +129,10 @@ func TestCreateV3Cluster(t *testing.T) {
         },
         "containerNetwork": {
             "mode": "overlay_l2"
+        },
+        "authentication": {
+            "mode": "rbac",
+			"authenticatingProxy": {}
         }
     }
 
@@ -149,6 +153,9 @@ func TestCreateV3Cluster(t *testing.T) {
 				VpcId:    "3305eb40-2707-4940-921c-9f335f84a2ca",
 				SubnetId: "00e41db7-e56b-4946-bf91-27bb9effd664"},
 			ContainerNetwork: clusters.ContainerNetworkSpec{Mode: "overlay_l2"},
+			Authentication: clusters.AuthenticationSpec{
+				Mode:                "rbac",
+				AuthenticatingProxy: make(map[string]string)},
 		},
 	}
 	actual, err := clusters.Create(fake.ServiceClient(), options).Extract()