title: Change Channel name with a command and also send embed with it
body: <p>I'm making a discord bot which it will change the specifc name of the channel</p>
  
  <p>Code</p>
  
  <pre><code>if(command === `${prefix}openslot`) {
  
      let embed = new Discord.RichEmbed()
          .setColor("#1bc643")
          .setTitle("Sucessfully opened slot for PREMIUM RANK!")
          .addField("Created At", message.author.createdAt)
  
          .setDescription("SYSTEM");
  
      message.channel.sendMessage(embed);
      channel.setName('Reserved_Slot')
  </code></pre>
  
  <p>.then(newChannel => console.log(<code>Channel's new name is ${newChannel.name}</code>))
    .catch(console.error);</p>
  
  <pre><code>    return;
  }
  </code></pre>
  
  <p>And also I'm new to discord.js (started a month ago)</p>