<p>When specifying <code>RollbackStack</code>, you preserve the state of previously provisioned resources when an operation fails. You can check the status of the stack through the <a>DescribeStacks</a> operation.</p> <p>Rolls back the specified stack to the last known stable state from <code>CREATE_FAILED</code> or <code>UPDATE_FAILED</code> stack statuses.</p> <p>This operation will delete a stack if it doesn't contain a last known stable state. A last known stable state includes any status in a <code>*_COMPLETE</code>. This includes the following stack statuses.</p> <ul> <li> <p> <code>CREATE_COMPLETE</code> </p> </li> <li> <p> <code>UPDATE_COMPLETE</code> </p> </li> <li> <p> <code>UPDATE_ROLLBACK_COMPLETE</code> </p> </li> <li> <p> <code>IMPORT_COMPLETE</code> </p> </li> <li> <p> <code>IMPORT_ROLLBACK_COMPLETE</code> </p> </li> </ul>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}