AddUserEvent.php

<?php

namespace App\Events\AddUserEvent;

use Illuminate\Queue\SerializesModels;

class AddUserEvent
{
    use SerializesModels;

    public $user;

    /**
     * Create a new event instance.
     *
     * @param User $user
     * @return void
     */
    public function __construct(User $user)
    {
        $this->user = $user;
    }
}

EventServiceProviders.php

<?php

namespace App\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 = [

     
        'App\Events\AddUserEvent' => [
            'App\Handlers\WelcomeMessageHandler',
        ],

       //some many event

    ];

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

        //
    }
}

WecomeEmailHatdler.php

<?php

namespace App\Handlers;


class WelcomeMessageHandler
{

    public $repository;
    public $log;

    /**
     * Create the event listener.
     *
     * @return void
     */
    public function __construct( UserRepository $userRepository, Log $log)
    {
     
        $this->repository = $chatRepository;
        $this->log        = $log;
  
    }

    /**
     * Handle the event.
     *
     * @param  NewUserEvent $event
     *
     * @return void
     */
    public function handle(NewUserEvent $event)
    {
        $user = $event->user;
       //come code
    }
}