An External References number can be associated with a reservation by referencing it to the External References number on a reservation. The External References Update utility is used to maintain the External References number of the reservation when changing external systems that are interfaced through OPERA Xchange Interface (OXI). This utility might be used when your property is switching from once Central Reservation system to another provided by the same company (for example, from UNIREZ to PEGASUS).
Parent topic: Modifying Reservations