{
  "NotificationConfigurations": [
    {
      "TopicARN": "yourarn",
      "NotificationTypes": [
        "autoscaling:EC2_INSTANCE_LAUNCH",
        "autoscaling:EC2_INSTANCE_LAUNCH_ERROR",
        "autoscaling:EC2_INSTANCE_TERMINATE",
        "autoscaling:EC2_INSTANCE_TERMINATE_ERROR"
      ]
    }
  ]
}