rbactest_1.0.0.1.json

{
  "$schema": "https://schema.management.azure.com/schemas/2018-05-01/subscriptionDeploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "name": {
      "type": "string",
      "defaultValue": "[newGuid()]"
    }
  },
  "resources": [
    {

      "type": "Microsoft.Authorization/roleAssignments",
      "apiVersion": "2018-09-01-preview",
      "name": "[parameters('name')]",
      // single role assignment to single user
      "properties": {
        "principalId": "84a4049b-13bd-4ec1-8def-06b84c0ac511",
        "roleDefinitionId": "/subscriptions/be0c5ee5-8ba7-45a5-ba40-f3dc83f4631b/providers/Microsoft.Authorization/roleDefinitions/8e3af657-a8ff-443c-a75c-2fe8c4bcb635"

      }


    }
  ]
}