Telegraf js how to contact the user?

Question

Node.js

What command can be used to display the user who wrote the message so that when communicating, the bot addresses the interlocutor by name or user id?

Answer 1

Something like this.

bot.on("message", (ctx) => {
bot.telegram.sendMessage(ctx.message.chat.id, 
`Привет, ${ctx.message.from.first_name}\n` +
`Твой id: ${ctx.message.from.id}`)
});