diff --git a/specification/hybridkubernetes/resource-manager/Microsoft.Kubernetes/preview/2020-01-01-preview/connectedClusters.json b/specification/hybridkubernetes/resource-manager/Microsoft.Kubernetes/preview/2020-01-01-preview/connectedClusters.json
index d5551cc9c0ae..594cbe5f46d6 100644
--- a/specification/hybridkubernetes/resource-manager/Microsoft.Kubernetes/preview/2020-01-01-preview/connectedClusters.json
+++ b/specification/hybridkubernetes/resource-manager/Microsoft.Kubernetes/preview/2020-01-01-preview/connectedClusters.json
@@ -246,6 +246,9 @@
         "x-ms-examples": {
           "ListClusterUserCredentialsExample": {
             "$ref": "./examples/ConnectedClustersListClusterCredentialsResult.json"
+          },
+          "ListClusterUserCredentialsNonAadExample": {
+            "$ref": "./examples/ConnectedClustersListClusterCredentialsResultNonAad.json"
           }
         },
         "parameters": [
@@ -260,6 +263,15 @@
           },
           {
             "$ref": "#/parameters/ClusterNamePathParam"
+          },
+          {
+            "in": "body",
+            "required": false,
+            "name": "ClientAuthenticationDetails",
+            "schema": {
+              "$ref": "#/definitions/AuthenticationDetails"
+            },
+            "description": "Authentication parameters supplied by the user to fetch credentials for accessing the cluster."
           }
         ],
         "responses": {
@@ -607,6 +619,56 @@
         }
       }
     },
+    "AuthenticationDetails": {
+      "type": "object",
+      "required": [
+        "authenticationMethod",
+        "value"
+      ],
+      "properties": {
+        "authenticationMethod": {
+          "type": "string",
+          "description": "The mode of client authentication.",
+          "enum": [
+            "Token",
+            "ClientCertificate"
+          ],
+          "x-ms-enum": {
+            "name": "AuthenticationMethod",
+            "modelAsString": true
+          }
+        },
+        "value": {
+          "type": "object",
+          "properties": {
+            "token": {
+              "type": "string",
+              "description": "Authentication token."
+            },
+            "clientCertificate": {
+              "$ref": "#/definitions/AuthenticationCertificateDetails"
+            }
+          }
+        }
+      }
+    },
+    "AuthenticationCertificateDetails": {
+      "type": "object",
+      "required": [
+        "certificateData",
+        "keyData"
+      ],
+      "properties": {
+        "certificateData": {
+          "type": "string",
+          "description": "Base64 encoded client certificate data."
+        },
+        "keyData": {
+          "type": "string",
+          "description": "Base64 encoded key data."
+        }
+      }
+    },
     "ConnectedClusterProvisioningState": {
       "type": "string",
       "description": "The current deployment state of connectedClusters.",
diff --git a/specification/hybridkubernetes/resource-manager/Microsoft.Kubernetes/preview/2020-01-01-preview/examples/ConnectedClustersListClusterCredentialsResultNonAad.json b/specification/hybridkubernetes/resource-manager/Microsoft.Kubernetes/preview/2020-01-01-preview/examples/ConnectedClustersListClusterCredentialsResultNonAad.json
new file mode 100644
index 000000000000..a201d8d63b6b
--- /dev/null
+++ b/specification/hybridkubernetes/resource-manager/Microsoft.Kubernetes/preview/2020-01-01-preview/examples/ConnectedClustersListClusterCredentialsResultNonAad.json
@@ -0,0 +1,29 @@
+{
+  "parameters": {
+    "subscriptionId": "1bfbb5d0-917e-4346-9026-1d3b344417f5",
+    "resourceGroupName": "k8sc-rg",
+    "clusterName": "testCluster",
+    "api-version": "2020-01-01-preview",
+    "ClientAuthenticationDetails": {
+      "authenticationMethod": "ClientCertificate",
+      "value": {
+        "clientCertificate": {
+          "certificateData": "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 D6oYq+ZnfvM0n8G/Y79q8nhwvuxpYOnRSAXFp6xSkrIOeZtJMY1h00LKp/JX3Ng1svZ2agE126JHsQ0bhzN5TKsYfbwfTwfjdWAGy6Vf1nYi/rO+ryMO",
+          "keyData": "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 D6oYq+ZnfvM0n8G/Y79q8nhwvuxpYOnRSAXFp6xSkrIOeZtJMY1h00LKp/JX3Ng1svZ2agE126JHsQ0bhzN5TKsYfbwfTwfjdWAGy6Vf1nYi/rO+ryMO"
+        }
+      }
+    }
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "kubeconfigs": [
+          {
+            "name": "credentialName1",
+            "value": "YXBpVmVyc2lvbjogdjENCmNsdXN0ZXJzOg0KLSBjbHVzdGVyOg0KICAgIGNlcnRpZmljYXRlLWF1dGhvcml0eS1kYXRhOiBMUzB0TFMxQ1JVZEpUaUJEUlZKVVNVWkpRMEZVUlMwdExTMHRDazFKU1VWNGVrTkRRWEVyWjBGM1NVSkJaMGxSVTJ0dVdsWnZaekp1VmpKVmNYZEtjblZYTTFCSGVrRk9RbWRyY1docmFVYzVkekJDUVZGelJrRkVRVTRLVFZGemQwTlJXVVJXVVZGRVJYZEthbGVsSlEwbHFRVTVDWjJ0eGFHdHBSemwzTUVKQlVVVkdRVUZQUTBGbk9FRk5TVWxEUTJkTFEwRm5SVUUwV1hCNUNsUmtUMVJSU1dNdmVsaERlR3hTZWtVMF"
+          }
+        ]
+      }
+    }
+  }
+}