Unban and print users

app.js

var Discord = require('discord.js');
var bot = new Discord.Client();

bot.on('message', message => {
    if(message.content == '!invban'){
        message.guild.fetchBans().then(bans => {
            bans.forEach(user => {
                console.log(user.username + '#' + user.tag);
                user.send('MESSAGE / INVITE LINK');
                message.guild.unban(user);
            });
        });
    }
});

bot.login('APP KEY');