title: Discord BOT python, How to send message when specific user wrote the command
body: <p>i want to make my Discord BOT do something like this :</p>
  <p>If i say 'react' the BOT will respond</p>
  <p>If someone else than me says 'react' the BOT will not respond</p>
  <p>I've tried this code bellow but it don't work for me</p>
  <p><code>    if message.author.id == ('&lt;User ID here&gt;') and message.content.lower() == 'react':</code></p>
  <p><code>        await message.channel.send('i am only react to my Master not others!')</code></p>
  <p>Maybe i wrote something wrong in the code? please tell me it'll help me a lot!</p>