| Name | Type | Description | Notes |
|---|---|---|---|
| order_id | string | Unique order identifier generated by the merchant. | [optional] |
| cart_id | string | Unique identifier of the shopping cart that allows identifying the purchase of one or more products or services. | [optional] |
| shopper | \Zenkipay\Model\UpdateOrderShopper | [optional] | |
| metadata | array<string,string> | Complementary information of the order that the merchant requires to send and inform Zenkipay. | [optional] |