The capability to obtain the ebay final value fee of an order and insert it into a specified field. This also incudes the external fee which is usually from paypal.

It is given in the GetOrders request (https://developer.ebay.com/DevZone/XML/docs/Reference/eBay/GetOrders.html#Request.IncludeFinalValueFee) and https://developer.ebay.com/DevZone/XML/docs/Reference/eBay/GetOrders.html#Response.OrderArray.Order.TransactionArray.Transaction.FinalValueFee