Please sign up for a free Pusher account via pusher.com/signup.
Once you've done that you'll land within an "App Keys" page for your application. For this workshop all you need to do is take a note of the "App Credentials". These are:
Whilst you're in the Pusher Dashboard take a look around. In particular, take a look at the Pusher Debug Console as we'll refer to it through-out the workshop. It's really useful for developing and debugging your integration with Pusher.
Now that you've got your "App Credentials" and familiarised yourself with the Pusher Debug Console it's time to create your Laravel app