✅ Need help fixing CallbackData

     [TelegramCommand("ping", false, false)]
        public static async Task Ping(Update update, List<string> args)
        {
            // Create a new inline keyboard button with the text "Ping" and the callback data "ping"
            var button = new InlineKeyboardButton
            {
                Text = "Ping",
                CallbackData = "ping"
            };

            // Create a new inline keyboard markup with the button we just created
            var keyboard = new InlineKeyboardMarkup(new[] { new[] { button } });

            // Send a message with the text ":robot: Bot is online" and the inline keyboard markup we just created
            await Telegram.client.SendMessageAsync(update.Message.Chat.Id, ":robot: Bot is online", replyMarkup: keyboard);
        }