In which way can I make an Auto-React feature for a discord bot that I’m writing in the discord.py API?

Basically, I’d like my discord bot to react with an emote to messages that have keywords in them. I tried tutorials, using if-statements, and both of those didn’t work.

   async def on_message(message):
      if "react to me" in message.content.lower():
        await client.react(message)```

Answer

This is a simple function, if you want it to use a random emoji from the server, you would have to get the emoji id, but you can do this.

@client.event
async def on_message(message):
    emoji = client.get_emoji(#insert custom emoji id)
    if re.match("react to me", message.content.lower):
        await message.add_reaction(emoji)
    await client.process_commands(message)

This will match any message that only says “react to me”

EDIT:

This method can not use default emojis (thumbs up for example), it uses customs emojis in the server, you can use :put the name of the emoji in between these signs: to get something like this <:name:id>

Example:

so the id for the emoji (what you will be putting inside the add_reaction() is the 672251623422296117 only.

If you want to use universal emojis (default), you have to find the unicode of it and put it in as a string (inside “”). Example: the unicode for 🏓 is U0001F3D3, so you will put that inside the function.

Here is where you can find the unicode for the default emojis: https://emojipedia.org/unicode-9.0/

It will look like this

Which means that the unicode for that emoji is U0001F923 (replace U+ with U000, making it U+1F923 = U0001F923)

add await client.process_commands(message) at the end of the function to allow other functions to work