player(_:wantsToPlay:completionHandler:)

Called when a player intends to play for a specific game activity. A completion handler block is provided to indicate whether the activity was successfully handled.

optional func player(_ player: GKPlayer, wantsToPlay activity: GKGameActivity, completionHandler: @escaping  @Sendable (Bool) -> Void)

optional func player(_ player: GKPlayer, wantsToPlay activity: GKGameActivity) async -> Bool