Hi. We're using the voucher server and voucher client with a set of pre-printed gift cards. We're seeing an issue where it will not credit what funds are on the gift card toward the purchase unless the exact amount is explicitly entered. Consequently, the cashier has to look up the balance on a card before charging it. Is there any way to implement partial authorization, where all available funds associated with the voucher number are applied toward the purchase, and the cashier is then prompted for another form of payment for the remaining transaction balance?
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