Opening ClassKit activity

AppDelegateActivity.swift

func application(_ application: UIApplication,
                   continue userActivity: NSUserActivity,
                   restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void) -> Bool {
  guard
      userActivity.isClassKitDeepLink,
      let identifierPath = userActivity.contextIdentifierPath,
      let gameID = identifierPath.last
      else { return false }
        
  let gameVC = GameViewController(gameID: gameID)
  navigationController.pushViewController(gameVC, animated: true)
  return true
}