| Name | Type | Description | Notes |
|---|---|---|---|
| inventory_item_group_key | string | This is the unique identifier of the inventory item group. All unpublished offers associated with this inventory item group will be published as a multiple-variation listing if the <strong>publishByInventoryItemGroup</strong> call is successful. The <strong>inventoryItemGroupKey</strong> identifier is automatically generated by eBay once an inventory item group is created.<br/><br/>To retrieve an <strong>inventoryItemGroupKey</strong> value, you can use the <strong>getInventoryItem</strong> call to retrieve an inventory item that is known to be in the inventory item group to publish, and then look for the inventory item group identifier under the <strong>groupIds</strong> container in the response of that call. | [optional] |
| marketplace_id | string | This is the unique identifier of the eBay site on which the multiple-variation listing will be published. The <strong>marketPlaceId</strong> enumeration values are found in <strong>MarketplaceIdEnum</strong>. For implementation help, refer to <a href='https://developer.ebay.com/api-docs/sell/inventory/types/slr:MarketplaceEnum'>eBay API documentation</a> | [optional] |