The SM_HotelResPaymentReadRQ message is used to request current unsynced payment transactions for a specific hotel. SelectionType will always be 'Undelivered' The SM_HotelResPaymentReadRS message contains current unsynced payment transactions for the requested hotel. Please be aware that the details provided in the PaymentInfo Element is a best effort. We may not get all details from the external payment systems A value of '5' represents a credit card payment, '6' a debit card payment, '46' an online payment The SM_HotelResPaymentResultRQ message is used to mark that a payment transaction has been processed by the pms The SM_HotelResPaymentResultRS message is used to show SM_HotelResPaymentResultRQ has been processed by SM and it has marked the payment transaction as synchronized