This property is a control-parameter for the name-based search-algorithm of the GetRegions - Method.
This property is optional, whereby "False" should be handed over per default. If "True", IATA three letter Codes will be considered. If "False", IATA three letter Codes will not be considered.
The available Airports including their IATA-3Letter-Airport-Codes may be requested by a call to GetAirports - Method.
RegionsRequest Class | SunnyCars.Schema.Osi.WsReservation.V4 Namespace