How to add a keyboard from an array?

Question

Node.js

How to add all buttons from a certain array to the keyboard?
Not working code:

bot.onText(/\/start/i, async msg => {
  const user = users.filter(x => x.id === msg.from.id)[0]
  const buttons = ["Продолжить", "Назад"]
  const keyboard = {
    reply_keyboard: {
      keyboard: [
        buttons
      ]
    }
  }
  bot.sendMessage(user.id, `Привет, ${user.first_name}!`, keyboard)
})

Answer 1

See the description of the ReplyKeyboardMarkup object in the official Telegram Bot API documentation: https://core.telegram.org/bots/api#replykeyboardmarkup