exchanges The exchange requests that are active or complete. Declarationvar exchanges: [GKTurnBasedExchange]? { get } Mentioned inExchanging data between players in turn-based games See AlsoExchanging Data Between ParticipantssendExchange(to:data:localizableMessageKey:arguments:timeout:completionHandler:)Exchange TimeoutsexchangeDataMaximumSizeexchangeMaxInitiatedExchangesPerPlayeractiveExchangescompletedExchangessaveMergedMatch(_:withResolvedExchanges:completionHandler:)