How to use the telegraf/markup.keyboard function in telegraf

const moment = require('moment');

// libs
const address_codec = require('ripple-address-codec');
const ripple = require('../../lib/ripple');
const logger = require('../../lib/loggin');

// constants
const v = require('../../config/vars');

const CANCEL_TEXT = 'Back 🔙';
const CANCEL_MENU = Markup.keyboard([[CANCEL_TEXT]])
    .resize()
    .extra();

const MAIN_MENU = Markup.keyboard([
    ['➡️ Send $XRP', '📈 Market'],
    ['⚖️ Balance', '⬇️ Deposit', '⬆️ Withdraw'],
    ['🔔 Notificaiton', '👥 Contact'],
])
    .resize()
    .extra();

class WithdrawHandler {
    constructor(app, db, stage) {
        this.app = app;
        this.db = db;
        this.ctx = null;
        this.stage = stage;
    }

    Cancel(ctx) {

bot.context.gameStarted = gameStarted;

    const initiallyEnded = await Setting.findOne({
      setting: "gameEnded",
    });
    const gameEnded = initiallyEnded ? initiallyEnded.value : false;
    console.log(`Setting loaded: gameEnded == ${gameEnded}`);
    bot.context.gameEnded = gameEnded;
  };

  await initSettings();

  bot.use(session());
  bot.use(stage.middleware());

  bot.context.mainMenu = Markup.keyboard([
    ["🦍 Become a Hunter", "🔥 TOP Hunters"],
    ["📢 Personal Info", "📞 Feedback"],
    ["🤳 Message the Aim", "👁 Message the Hunter"],
    ["👹 Catch the Aim"],
  ])
    .resize()
    .extra();

  commands.forEach(commandHandler => {
    commandHandler(bot);
  });

  bot.catch(error => {
    console.log(
      "Telegraf error",
      error.response,

function start() {
  const replyMarkup = Markup.keyboard([
    [BUTTONS.hello.label],
    [BUTTONS.hide.label],
  ]);
  return Extra.markup(replyMarkup);
}

Menu(ctx) {
        ctx.replyWithHTML(
            'Notifications Settings',
            Markup.keyboard([['ℹ️ Wallet Notify', 'ℹ️ Feed Notify'], [CANCEL_TEXT]])
                .resize()
                .extra(),
        );
        ctx.deleteMessage().catch(e => {});
        ctx.scene.leave();
    }

askMessageForHunter.enter(ctx => {
  ctx.reply(
    "Seems you a risky person! Just send me the message for your hunter 👺",
    Markup.keyboard([["◀️ Go Back"]])
      .resize()
      .extra()
  );
});

bot.hears("📞 Feedback", async ctx => {
    ctx.reply(
      "What do you think? Any thoughts are welcome 🤗",
      Markup.keyboard([["◀️ Go Back"]])
        .resize()
        .extra()
    );
    return ctx.scene.enter("askFeedback");
  });

const privateChat = ctx => {
  ctx.reply(
    `Hello ${ctx.from.first_name} this is Honk tip bot.\nSee /help for more info.`,
    Markup.keyboard([
      ["/balance", "/help"],
      ["/deposit", "/withdraw"]
    ])
      .oneTime()
      .resize()
      .extra()
  );
};

Menu(ctx) {
        ctx.replyWithHTML(
            'Wallet Notify Settings',
            Markup.keyboard([['➕ Add Wallet', '📇 Manage Wallets'], [CANCEL_TEXT]])
                .resize()
                .extra(),
        );
        ctx.deleteMessage().catch(e => {});
        ctx.scene.leave();
    }

`<code>@${username}</code> does not exist in our database.\n\n` +
        'You can submit it here:\n' +
        '🌐 https://tgdr.io'
    );
  }

  const userState = {
    rate: { entry, username },
  };

  await redis.set(getDbName(id), JSON.stringify(userState), 'EX', 60 * 60);

  return ctx.replyWithHTML(
    `You are going to rate the <code>@${username}</code>.\n\n` +
      'Please select your feedback.',
    Markup.keyboard([['💙', '👎']])
      .oneTime()
      .resize()
      .extra()
  );
};