1const Discord = require('discord.js')
2
3exports.run = async (client, message, args) => {
4  if (!message.member.hasPermission('MUTE_MEMBERS')) return message.reply('You cannot use this command');
5  if (!message.guild.me.hasPermission('MANAGE_ROLES')) return message.reply('I cannot use this command as i dont have the \`MANAGE_ROLES\` Permission on my role');
6  
7  //Variables
8  var muteRole = message.guild.roles.find(r => r.name === 'YOUR_MUTE_ROLE_NAME');
9  var memberRole = message.guild.roles.find(r => r.name === 'YOUR_MAIN_MEMBER_ROLE');
10  
11  //let
12  let member = message.mentions.members.first();
13  let reason = args.slice(1).join(' ');
14  if (!reason) reason = 'No Reason Given';
15  
16  message.member.roles.add(muteRole);
17  message.member.roles.remove(memberRole);
18  
19  var muteEmbed = new Discord.MessageEmbed()
20   .setColor('RED')
21   .setTitle('${member} has been muted for ${reason}');
22  
23  message.channel.send(muteEmbed).catch(err => console.log(err));
24}

1const Discord = require('discord.js');
2const client = new Discord.Client();
3const prefix = "!";
4const token = ""; // Fill in your token
5
6client.on("message", msg => {
7  msg.content.startsWith(prefix + "mute") {
8    
9    
10    // Variables
11    var muteRole = msg.guild.roles.find(role => role.name.toLowerCase().includes("muted"));
12    var muteChannel = msg.guild.channels.find(channel => channel.name.includes("modlogs"));
13    var muteUser = msg.mentions.members.first();
14    var muteReason = msg.content.slice(prefix.length + 27);
15    
16    
17    // Conditions
18    if (!msg.member.hasPermission("MANAGE_MESSAGES")) return msg.channel.send("You don't have the permissions");
19    if (!muteUser) return msg.channel.send("You have to mention a valid member");
20    if (!muteChannel) return msg.channel.send("There's no channel called modlogs");
21    if (!muteRole) return msg.channel.send("There's no role called muted");
22    if (!msg.guild.member(client.user.id).hasPermission("MANAGE_ROLES")) return msg.channel.send("I Don't have permissions");
23    if (!muteReason) muteReason = "No reason given";
24    
25    // Embed
26    var muteEmbed = new Discord.RichEmbed() 
27    .setTitle("Mute")
28    .addField("Muted user", muteUser)
29    .addField("Reason", muteReason)
30    .setFooter(`Muted by ${msg.author.tag}`)
31    .setTimestamp();
32    
33    //Mute
34    muteUser.addRole(muteRole);
35    msg.channel.send(`${muteUser} has been muted`);
36    muteChannel.send(muteEmbed);
37    
38  }
39})

1client.on('message', message => {
2    if(message.content.startsWith(prefix + 'mute')){
3         if(message.member.hasPermission('MANAGE_ROLES')) {
4             const role = message.guild.roles.cache.find(role => role.name === 'Muted');
5                 const member = message.mentions.members.first();
6                     member.roles.add(role); 
7                     message.channel.send(member + ' Has Been Muted');
8
9            } else {
10                 message.channel.send("Please Mention Who To Mute")
11             }     
12        }
13})