A unique identifier for an item provided by the client for a direct fulfillment shipment. This is only populated for direct fulfillment multi-piece shipments. It is required if a vendor wants to change the configuration of the packages in which the purchase order is shipped.
OptionalpieceA unique identifier for an item provided by the client for a direct fulfillment shipment. This is only populated if a single line item has multiple pieces. Defaults to 1.
Item identifiers for an item in a direct fulfillment shipment.