title: Discord Bot sends multiple messages but I only want it to send one
body: <p>My Discord Bot is sending multiple messages but I just want it to send one message.</p>
  <pre><code>bot.on('message', msg=&gt;{
      if(msg.content == &quot;hello&quot;){
          msg.channel.send('Hello!');
      }
  })
  </code></pre>