@PT Not sure if this is exactly what you're asking, but I had posted a question about cash sales, accepting a dollar amount and getting the change. This is the response that I got back (we haven't tried it yet): I had this come up in one of my implementations. They needed to track counter sales with payment via currency. Create 2 custom transaction body fields. Amount Tendered and Change Due. The Amount Tendered is the amount of currency the customer is giving you. Put that value in the field. Then create a formula in the Change Due field. The formula is: NVL({custbody_amounttendered},0)-{total}. Make sure you uncheck the "Store Value" box. That way you can track how much change was given.