name - (Required) The name of the lifecycle hook.
default_result - (Optional) Defines the action the Auto Scaling group should take when the lifecycle hook timeout elapses or if an unexpected failure occurs. The value for this parameter can be either CONTINUE or ABANDON. The default value for this parameter is ABANDON.
notification_metadata - (Optional) Contains additional information that you want to include any time Auto Scaling sends a message to the notification target.
notification_target_arn - (Optional) The ARN of the notification target that Auto Scaling will use to notify you when an instance is in the transition state for the lifecycle hook. This ARN target can be either an SQS queue or an SNS topic.
role_arn - (Optional) The ARN of the IAM role that allows the Auto Scaling group to publish to the specified notification target.