public static async Task <bool> IsAdminChat( this ITelegramBotClient botClient, long chatId, long userId ) { var sw = Stopwatch.StartNew(); var chatMembers = await botClient.GetChatAdmin(chatId); var isAdmin = chatMembers.Any(admin => userId == admin.User.Id); Log.Debug("Check UserID {V} Admin on Chat {V1}? {V2}. Time: {V3}", userId, chatId, isAdmin, sw.Elapsed); sw.Stop(); return(isAdmin); }