Event Broadcasting with Pusher and Laravel Echo

Event broadcasting lets server-side events push real-time updates to connected browsers, without the client needing to poll for changes.

The Pieces Involved

Making an Event Broadcastable

class OrderShipped implements ShouldBroadcast
{
    public function broadcastOn(): Channel
    {
        return new Channel('orders');
    }
}

Listening in the Browser

Echo.channel('orders')
    .listen('OrderShipped', (e) => {
        console.log(e.order);
    });

Private and Presence Channels

Beyond public channels, Laravel supports private channels (authorized per user) and presence channels (which also track who's currently subscribed) for more controlled real-time features.

Broadcasting covers real-time communication. The next set of topics shifts to code organization patterns that keep larger Laravel applications maintainable.