Callback for successful or failed Refunds made via the Payments API
| Name | Type | Required | Description | Examples |
|---|---|---|---|---|
| event | string | ☑️ | Identifies the event that triggered a notification to the merchant | |
| businessId | string | ☑️ | business_id | |
| created | string | ☑️ | ||
| data | RefundCallbackData |