ldc-supportweb/app/Providers/EventServiceProvider.php

<?php

namespace App\Providers;

use App\Events\NotifySubscriptions;
use App\Events\NotifyTicketCreator;
use App\Events\TicketStatusChanged;
use App\Listeners\AddStatusMessages;
use App\Listeners\SendNotificationMail;
use App\Listeners\SendNotificationMailToTicketCreator;
use App\Listeners\SendSubscriptionsNotificationsMail;
use Illuminate\Auth\Events\Registered;
use Illuminate\Auth\Listeners\SendEmailVerificationNotification;
use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;

class EventServiceProvider extends ServiceProvider
{

    /**
     * The event listener mappings for the application.
     *
     * @var array
     */
    protected $listen = [
        Registered::class => [
            SendEmailVerificationNotification::class,
        ],
        TicketStatusChanged::class => [
            AddStatusMessages::class
        ],
        NotifySubscriptions::class => [
            SendSubscriptionsNotificationsMail::class
        ],
        NotifyTicketCreator::class => [
            SendNotificationMailToTicketCreator::class
        ],
    ];

    /**
     * Register any events for your application.
     *
     * @return void
     */
    public function boot()
    {
        //
    }
}