<p>Retrieves the details of a maintenance window task.</p> <note> <p>For maintenance window tasks without a specified target, you can't supply values for <code>--max-errors</code> and <code>--max-concurrency</code>. Instead, the system inserts a placeholder value of <code>1</code>, which may be reported in the response to this command. These values don't affect the running of your task and can be ignored.</p> </note> <p>To retrieve a list of tasks in a maintenance window, instead use the <a>DescribeMaintenanceWindowTasks</a> command.</p>

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

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