This property is a control-parameter for the AirportCode-based search-algorithm of the GetRegions - Method.
This property is optional and considered for requests with AirportCode, therefore "False" should be handed over per default. If "True", all the Regions, having at least one Locetion assigned that is marked as "near-airport" in Sunny Cars database, will be returned additionally to the requested Airport-Region. If "False", only the requested Airport-Region will be returned.
The available(known by Sunny Cars) Airports including their IATA-3Letter-Airport-Codes may be requested by a call to GetAirports - Method.
RegionsRequest Class | SunnyCars.Schema.Osi.WsReservation.V4 Namespace