Gets or sets the rest of the fax number, including the phone extension of the private customer.
This Property is optional. The value of this property is taken into account only, if DocumentDispatchPersonToDispatch was set to Customer, Direct is chosen as BookingType and the customer isn't already created in the database or its ID is unknown. Furthermore, the DocumentDispatchMethod has to be set to Fax, to make this property beeing mandatory. Alternatively the property CustomerFaxNumber may be used, but in this case CustomerFaxPartInternational, CustomerFaxPartAreaCode and CustomerFaxPartDirect have to be handed over as empty strings.
CreateReservationV2Request Class | SunnyCars.Schema.Osi.WsReservation.V4 Namespace