Gift card management

(*) Mandatory requirements for gift card category Certification.

• Use getPaymentMethods to identify configured payment methods for the property.*
• If the gift card payment method is not configured, use postCustomPaymentMethod to create gift cards as a custom method.*

In this use case, the guest can present a gift card during their stay to cover their reservation outstanding balance partially or totally.
The property user  would them redeem the card in an app or any other system, and the payment would be automatically posted in the reservation folio.

• Use getReservations with parameters status or CheckInFrom/CheckInTo and CheckOutFrom/CheckOutTo to get reservations for your specific purpose. e.g. Today's arrivals, today's departures.* 
• Check the outstanding balance on the reservation with getReservationInvoiceInformation and make sure that there is some balance on the gift card.*
• Use postPayment to record a payment made with a gift card in the reservation folio, making sure to include the custom payment method created in the type parameter.*
• Recorded payments can be voided with /postVoidPayment.