# # CreateRefund409Response ```php use Xendit\Refund\CreateRefund409Response; ``` ## Properties | Name | Type | Required | Description | Examples | |------------|:-------------:|:-------------:|-------------|:-------------:| | **error_code** | **string** | | | DUPLICATE_ERROR | | **message** | **string** | | | duplicate value on idempotency_key, try again with a new key | [[Back to README]](../../README.md)