| Name | Type | Description | Notes |
|---|---|---|---|
| IsUsed | Boolean | Flag indicating whether the voucher is used | [optional] |
| UsedByCustomerId | Number | Indicates Customer that used the voucher. | [optional] |
| TransactionKey | String | An opaque string, to ensure idempotency. This allows for safely retrying requests without accidentally performing the same stamp operation twice. This will typically contain the the ID of the sale order. | [optional] |