{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "notificationHubNamespaceName": {
      "type": "string",
      "defaultValue": "[concat('myNotifHubNs', uniqueString(resourceGroup().id))]"
    },
    "notificationHubName": {
      "type": "string",
      "defaultValue": "[concat('myNotifHub', uniqueString(resourceGroup().id))]"
    },
    "notificationHubSkuName": {
      "type": "string",
      "defaultValue": "free",
      "allowedValues": [
        "free",
        "basic",
        "standard"
      ]
    }
  }
  ...
}