Error editMessageMedia is not a function

[MadNezumi]

Hello. Please help me. Why this code don't work? Return error "bot.editMessageMedia is not a function".

bot.onText(/\/start/, function (msg, match) {
	var chatId = msg.chat.id;
	var userId = msg.from.id;
	var first = msg.from.first_name;
	var last = msg.from.last_name;
	var username = msg.from.username;
	const startPhoto = 'pic/startPhoto.jpg';
	const startOption = {
		caption: 'Hello!',
		parse_mode: 'HTML',
		reply_markup: JSON.stringify({
			inline_keyboard: [
				[{ text: '1', callback_data: '1' }],
				[{ text: '2', callback_data: '2' }]
			]
		})
	};
	bot.sendPhoto(chatId, startPhoto, startOption);
});
bot.on('callback_query', (callback) => {
	var answer = callback.data;
	var chatId = callback.message.chat.id;
	var msgId = callback.message.message_id;
	const helloOption = {
		chat_id: chatId,
		message_id: msgId
	};
	if (answer === '1'){
		bot.editMessageMedia({type: 'photo', media: 'pic/helloPhoto.jpg', caption: 'edited'}, {chat_id: chatId, message_id: msgId });
	}
    else if (answer === '2') {
		bot.editMessageCaption('2', helloOption);
	}
	bot.answerCallbackQuery(callback.id);
});

[alexandercerutti]

Because this library does not support this method yet. I don't know if this has been already discussed. @kamikazechaser

[MadNezumi]

Because this library does not support this method yet. I don't know if this has been already discussed. @kamikazechaser

Oh, thank you!

[kamikazechaser]

https://github.com/yagop/node-telegram-bot-api/issues/738#issuecomment-527147452