messenger_V2.php

<?php

use App\Bus;

class HelloController extends AbstractController
{
    #[Route('/hello', name: 'app_hello')]
    public function hello(Bus $bus): Response
    {
        $bus->dispatch(new MyMessage());

        return $this->render('hello/index.html.twig', [
            'value' => 'Hello',
        ]);
    }
}