Indicates whether to include Final Value Fee (FVF) in the response. For most listing types, the Final Value Fee is returned in Transaction.FinalValueFee. The Final Value Fee is returned for each order line item (Transaction container) for fixed-price listings. For all other listing types, the Final Value Fee is returned when the listing status is Completed. This value is not returned if the auction ended with Buy It Now.
See the
Field Index to learn which calls use IncludeFinalValueFees.