if statement discord js

1<client>.on('message', message => {
2	if (message.content === '!ping') {
3		message.channel.send('Pong.');
4	} else if (message.content.startsWith('beep')) {
5		message.channel.send('Boop.');
6    }
7});
8// The client is the bot itself. 
9// You would have defined this at the top of your index.js/app.js
10// It would look like 'const client = new Discord.Client()'
11// Put that in place for '<client>' and remove the <>