diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-11-01/publicIpAddress.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-11-01/publicIpAddress.json
index 987a456cccda..f6b3f0c96dcc 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2019-11-01/publicIpAddress.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-11-01/publicIpAddress.json
@@ -519,6 +519,11 @@
             "modelAsString": true
           },
           "description": "The DDoS protection policy customizability of the public IP. Only standard coverage will have the ability to be customized."
+        },
+        "protectedIP": {
+          "readOnly": false,
+          "type": "boolean",
+          "description": "Enables DDoS protection on the public IP."
         }
       },
       "description": "Contains the DDoS protection settings of the public IP."