How to make the tg bot react only to a certain message?

Question

Python

I have a bot, which, in theory, should send pluses to the admin, which are sent by people in the chat, but it reacts to all messages, how to make the bot react only to pluses? '+'

Answer 1

@bot.message_handler(content_types=['text'])
def testing(message):
    if message.text == '+':
        #что-то делаем