code: def raw_mentions(self):
          
          return [int(x) for x in re.findall(r'<@!?([0-9]+)>', self.content)]
docs: A property that returns an array of user IDs matched with
          the syntax of <@user_id> in the message content.
  
          This allows you to receive the user IDs of mentioned users
          even in a private message context.