diff --git a/api/k8s/v1/k8s_sdk.go b/api/k8s/v1/k8s_sdk.go
index 14512286..47631053 100644
--- a/api/k8s/v1/k8s_sdk.go
+++ b/api/k8s/v1/k8s_sdk.go
@@ -1543,9 +1543,9 @@ type ExternalNode struct {
 
 // ExternalNodeAuth: external node auth.
 type ExternalNodeAuth struct {
-	NodeToken string `json:"node_token"`
+	NodeSecretKey string `json:"node_secret_key"`
 
-	APIURL string `json:"api_url"`
+	MetadataURL string `json:"metadata_url"`
 }
 
 // GetClusterKubeConfigRequest: get cluster kube config request.