GKShowChallengeBanners A Boolean value that indicates whether GameKit can display challenge banners in a game. See AlsoGamesAVGameBypassSystemSpatialAudioGKGameCenterBadgingDisabledGCDisableInferringGameMetadataGCSupportedGameControllersGCSupportsControllerUserInteractionGCRequiresControllerUserInteractionGCSupportsMultipleMicroGamepadsLSSupportsGameModeGCSupportsGameMode