diff --git a/specification/web/resource-manager/Microsoft.Web/stable/2024-04-01/CommonDefinitions.json b/specification/web/resource-manager/Microsoft.Web/stable/2024-04-01/CommonDefinitions.json
index de4c1449108c..064d97ed4ba2 100644
--- a/specification/web/resource-manager/Microsoft.Web/stable/2024-04-01/CommonDefinitions.json
+++ b/specification/web/resource-manager/Microsoft.Web/stable/2024-04-01/CommonDefinitions.json
@@ -3112,6 +3112,20 @@
               "description": "Identity to use for Key Vault Reference authentication.",
               "type": "string"
             },
+            "autoGeneratedDomainNameLabelScope": {
+              "description": "Specifies the DNL scope of the default hostname",
+              "enum": [
+                "TenantReuse",
+                "SubscriptionReuse",
+                "ResourceGroupReuse",
+                "NoReuse"
+              ],
+              "type": "string",
+              "x-ms-enum": {
+                "name": "autoGeneratedDomainNameLabelScope",
+                "modelAsString": false
+              }
+            },
             "virtualNetworkSubnetId": {
               "description": "Azure Resource Manager ID of the Virtual network and subnet to be joined by Regional VNET Integration.\nThis must be of the form /subscriptions/{subscriptionName}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/virtualNetworks/{vnetName}/subnets/{subnetName}",
               "type": "string"