commands discord.js

<client>.on('message', message => {
	if (message.content === '!ping') {
		message.channel.send('Pong.');
	} else if (message.content.startsWith('beep')) {
		message.channel.send('Boop.');
    }
});
// The client is the bot itself. 
// You would have defined this at the top of your index.js/app.js
// It would look like 'const client = new Discord.Client()'
// Put that in place for '<client>' and remove the <>bot.on('message', function(message) {
    if(message.author.bot) return;
    if(message.content === '/lvl') {
        message.channel.send("lvl system.")
    }
});const embed = new Discord.MessageEmbed()
        .setColor('#0099ff')
        .setTitle('Creation Team')
        .setAuthor('')
        .setDescription('')
        .setTimestamp()
        .setFooter('');
    
	message.channel.send(embed).catch(e => { return e; });