misc_pterodactyl-panel/app/Providers/EventServiceProvider.php

<?php

namespace Pterodactyl\Providers;

use Illuminate\Support\Facades\Event;
use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;

class EventServiceProvider extends ServiceProvider
{
    /**
     * The event listener mappings for the application.
     *
     * @var array
     */
    protected $listen = [
        'Pterodactyl\Events\ServerDeleted' => [
            'Pterodactyl\Listeners\DeleteServerListener',
        ],
    ];

    /**
     * Register any other events for your application.
     *
     * @return void
     */
    public function boot()
    {
        parent::boot();

        //
    }
}