OptionalbuyerThe buyer's Amazon Standard Identification Number (ASIN) of an item. Either buyerProductIdentifier or vendorProductIdentifier is required.
The sequence number of the item. The number must be the same as the order number of the item.
OptionalvendorAn item's product identifier, which the vendor selects. This identifier should be the same as the identifier, such as a SKU, in the purchase order.
Details of the item being shipped.