core/app/Providers/EventServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Contracts\Events\Dispatcher as DispatcherContract;
use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;

class EventServiceProvider extends ServiceProvider
{
    /**
     * The event listener mappings for the application.
     *
     * @var array
     */
    protected $listen = [
        'App\Events\CreateNewUser'        => [
            'App\Listeners\LogCreatedUser',
        ],
        'App\Events\EditUser'             => [
            'App\Listeners\LogEditUser',
        ],
        'App\Events\CreateNewCustomField' => [
            'App\Listeners\LogCreateCustomField',
        ],
        'App\Events\EditCustomField'      => [
            'App\Listeners\LogEditCustomField',
        ],
        'App\Events\DeleteCustomField'    => [
            'App\Listeners\LogDeleteField',
        ],
        'App\Events\ChangeSettings'       => [
            'App\Listeners\LogChangeSettings',
        ],
        'App\Events\UploadFile'           => [
            'App\Listeners\LogUploadFile'
        ],
        // internal Laravel events - should work as auth.login and auth.logout, however it doesn't...
        'Illuminate\Auth\Events\Login'    => [
            'App\Listeners\LogLogin'
        ],
        'Illuminate\Auth\Events\Logout'   => [
            'App\Listeners\LogLogout'
        ],
    ];

    /**
     * Register any other events for your application.
     *
     * @param  \Illuminate\Contracts\Events\Dispatcher $events
     *
     * @return void
     */
    public function boot(DispatcherContract $events)
    {
        parent::boot($events);
        //
    }
}