Link:  https://medium.com/@lamalamaMark/laravel-passport-pusher-vue-js-27fcec38546b

Mark de Vries wrote a good tutorial on how to broadcast with Laravel, Passport, Pusher and Vue.js.

laravel vue.js broadcasting

Our omnichannel commerce platform Skata makes heavily use of realtime data within the backoffice. While many employees are collaborating in the interface it’s important that everybody is working with data about products, orders, stock levels and reporting that is realtime: we guarantee a single source of truth.