How to fix 'Dispatcher' object has no attribute 'addTelegramCommandHandler'?

Question

Python

if __name__ == '__main__':
casinobot = DealerBot(TOKEN, ADMIN_USERS, CASINO_CHAT_ID)
updater = Updater(bot=casinobot)
j = updater.job_queue
dispatcher = updater.dispatcher
dispatcher.addTelegramCommandHandler('deposita', buyin) this is where the error starts

Answer 1

This method has not been available for 5 years.

dispatcher.add_handler(CommandHandler('deposita', buyin))