coolify/app/Providers/ApplicationDeploymentFinished.php

<?php

namespace App\Providers;

use Illuminate\Broadcasting\Channel;
use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Broadcasting\PresenceChannel;
use Illuminate\Broadcasting\PrivateChannel;
use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Queue\SerializesModels;

class ApplicationDeploymentFinished implements ShouldBroadcast
{
    use Dispatchable, InteractsWithSockets, SerializesModels;

    public function __construct()
    {
    }

    public function broadcastOn(): array
    {
        return [
            new Channel('custom-channel'),
        ];
    }
}