ItemKey document (Shop API 19.10)

(supports custom properties)

Document representing an item key.

The item can be either identified by its item id (item_id) or by its product id (product_id). If both are returned, the item that is identified by item_id must also have its product_id set.

The item id for an item is unique in its parent container. However, the parent container can have multiple items with one product id.
Property Type Constraints Description
item_id String   The item id.
product_id String   The product id.