TheEnnex

@bot.on(events.NewMessage(pattern='/start'))
async def start(event):
    keyboard_buttons = ReplyKeyboardMarkup(
        [
            KeyboardButtonRow(
                [
                    KeyboardButton(text='menu', ),
                    KeyboardButton(text='menu')
                ]
            ),
            KeyboardButtonRow(
                [
                    KeyboardButton(text='menu'),
                    KeyboardButton(text='menu')
                ]
            )
        ],
        resize=True
    )
    await bot.send_message(entity=event.peer_id, message='Привет', buttons=keyboard_buttons)