The API is to refund a STO order in dineout flow.
| Name | Type | Description | Notes |
|---|---|---|---|
| orderID | String | This order ID in grab system. | |
| merchantID | String | This merchant ID in grab system. | |
| isFullRefund | Boolean | currently we only support fully refund. | [optional] |
| refundAmountInMin | Long | The total amount the POS want to refund for STO order. | [optional] |