diff --git a/specification/automation/resource-manager/Microsoft.Automation/preview/2020-01-13-preview/account.json b/specification/automation/resource-manager/Microsoft.Automation/preview/2020-01-13-preview/account.json
index 51bfa9843080..c541f3b164f1 100644
--- a/specification/automation/resource-manager/Microsoft.Automation/preview/2020-01-13-preview/account.json
+++ b/specification/automation/resource-manager/Microsoft.Automation/preview/2020-01-13-preview/account.json
@@ -616,6 +616,10 @@
         "encryption": {
           "$ref": "#/definitions/EncryptionProperties",
           "description": "Set the encryption properties for the automation account"
+        },
+        "publicNetworkAccess": {
+          "type": "boolean",
+          "description": "Indicates whether traffic on the non-ARM endpoint (Webhook/Agent) is allowed from the public internet"
         }
       },
       "description": "The parameters supplied to the create or update account properties."
@@ -791,6 +795,10 @@
         "sku": {
           "$ref": "#/definitions/Sku",
           "description": "Gets or sets account SKU."
+        },
+        "publicNetworkAccess": {
+          "type": "boolean",
+          "description": "Indicates whether traffic on the non-ARM endpoint (Webhook/Agent) is allowed from the public internet"
         }
       },
       "description": "The parameters supplied to the update account properties."