| Name | Type | Description | Notes |
|---|---|---|---|
| quantity | int | [optional] | |
| shipping_date | \OpenAPI\Client\Model\ShippingDate | [optional] | |
| site_external_id | string | Site external ID can be used in case of marketplace configuration to split items by marketplace merchant. If sent empty, top level site will be used. | [optional] |
| sku | string | Unique cart item's product identifier. | [optional] |