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Ulyses Connections allow us getting the costs of a reservation so clients can pay them upfront. To know the costs of a reservation we will need to retrieve the array of proformas and, from here, we will determine the amount of the reservation. As we explained here the number of proformas will depend primarily on the payment type selected in the reservation but also need to pay attention on the number of companies acting as "Bill to"'s in the reservation.
Pay room stay or add partial payments's pending amount
Ulyses Connections allows third parties to complete the payment of reservations or just adding partial payment in Ulyses PMS. To do that we will need to follow the endpoints respectivelythe room's pending amount. This operation is often needed by guest apps or kiosks solutions that invite customers to pay the entire reservation when checking in or when they access the app. To complete this operation you need to follow this endpoint.
In some cases these just need to add a payment in the room's account. In this case, we will use an Add a payment operation.