# # RefundCallback Callback for successful or failed Refunds made via the Payments API ```php use Xendit\Refund\RefundCallback; ``` ## Properties | Name | Type | Required | Description | Examples | |------------|:-------------:|:-------------:|-------------|:-------------:| | **event** | **string** | ☑️ | Identifies the event that triggered a notification to the merchant | null | | **business_id** | **string** | ☑️ | business_id | null | | **created** | **string** | ☑️ | | null | | **data** | [**RefundCallbackData**](RefundCallbackData.md) | | | null | [[Back to README]](../../README.md)