| Name | Type | Description | Notes |
|---|---|---|---|
| fulfillment_order_id | string | The unique identifier of the fulfillment order associated with the fulfillment return. | |
| upstream_id | string | The unique identifier of the upstream order. | [optional] |
| reason | string | The reason for the return. | [optional] |
| items | \DigitalRiver\ApiSdk\Model\GlobalFulfillmentReturnItemRequest[] |