Gets the ISO 639 two letter language code used to print the documents for this Reservation.
This Attribute is returned if the Reservation is of type "Direct" or "DirectLink"(BookingType). This is because the documents will be sent to the operator(Agency) in all other cases, for which the communication settings are already stored in sunnycars database.
Reservation Class | SunnyCars.Schema.Osi.WsReservation.V4 Namespace