diff --git a/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/examples/proxy/CheckNameAvailabilityForLocalUniqueness.json b/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/examples/proxy/CheckNameAvailabilityForLocalUniqueness.json
index 8e276cf1f807..0e20ae0f4cdb 100644
--- a/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/examples/proxy/CheckNameAvailabilityForLocalUniqueness.json
+++ b/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/examples/proxy/CheckNameAvailabilityForLocalUniqueness.json
@@ -11,7 +11,7 @@
   "responses": {
     "200": {
       "body": {
-        "nameAvailable": "false",
+        "nameAvailable": false,
         "reason": "AlreadyExists",
         "message": "..."
       }
diff --git a/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/proxy.json b/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/proxy.json
index d2c42198f72e..ef0911f35f9e 100644
--- a/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/proxy.json
+++ b/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/proxy.json
@@ -144,7 +144,7 @@
       "properties": {
         "nameAvailable": {
           "description": "if name Available",
-          "$ref": "#/definitions/NameAvailability"
+          "type": "boolean"
         },
         "reason": {
           "description": "Resource Name To Verify",
@@ -167,6 +167,10 @@
         "display": {
           "description": "The object that represents the operation.",
           "$ref": "#/definitions/OperationDisplay"
+        },
+        "isDataAction": {
+          "description": "Whether or not this is a data plane operation",
+          "type": "boolean"
         }
       }
     },
@@ -198,18 +202,6 @@
         }
       }
     },
-    "NameAvailability": {
-      "description": "Whether or not the name is available.",
-      "type": "string",
-      "enum": [
-        "true",
-        "false"
-      ],
-      "x-ms-enum": {
-        "name": "NameAvailability",
-        "modelAsString": true
-      }
-    },
     "NameUnavailableReason": {
       "description": "reason of name unavailable.",
       "type": "string",