| Name | Type | Description | Notes |
|---|---|---|---|
| relatedObjectType | string | Defines the related object, e.g. `voucher`. | [optional] [default to 'voucher'] |
| relatedObjectId | string | Unique related object ID assigned by Voucherify, e.g. `v_lfZi4rcEGe0sN9gmnj40bzwK2FH6QUno` for a voucher. | [optional] |