This type identifies the line item and quantity of that line item that comprises one fulfillment, such as a shipping package.
Types that use LineItemReference
Calls that use LineItemReference
This is the unique identifier of the eBay order line item that is part of the shipping fulfillment. The line item ID is created as soon as there is a commitment to buy from the seller, and its value is based upon the concatenation of item ID/listing ID and the transaction ID, with a hyphen in between these two identifiers.
This field is reserved for internal or future use.