module.exports = function(bot, msg) { const chatId = msg.chat.id; const userName = msg.from.first_name; const userId = msg.from.id; const userHandle = msg.from.username; const isBot = msg.from.is_bot; const userPremium = msg.from.is_premium; const userLang = msg.from.language_code; let haveUsername = ""; let userPremiumOutput = ""; if (userPremium) { userPremiumOutput = "*You have a Telegram Premium subscription.*"; } else { userPremiumOutput = "*You don't have a Telegram Premium subscription.*"; } if (userHandle) { haveUsername = `*Your username is:* @${userHandle}`; } else { haveUsername = "*Your username is:* none"; } const message = `*Your name is:* ${userName}\n${haveUsername}\n*Your ID is:* ${userId}\n*You are a bot:* ${isBot}\n*Your language:* ${userLang}\n\n${userPremiumOutput}`; bot.sendMessage(chatId, message, { parse_mode: 'Markdown' }) .catch(error => console.error('WARN: Message cannot be sent: ', error)); }