Send Email from Symfony

<?php
// src/Controller/ContactController.php
namespace App\Controller;

use SendPigeon\SendPigeon;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Annotation\Route;

class ContactController extends AbstractController
{
    #[Route('/contact', methods: ['POST'])]
    public function contact(Request $request): JsonResponse
    {
        $data = json_decode($request->getContent(), true);

        $client = new SendPigeon($_ENV['SENDPIGEON_API_KEY']);

        $client->send(
            to: $data['email'],
            from: 'hello@yourdomain.com',
            subject: "Thanks for reaching out, {$data['name']}!",
            html: '<h1>We got your message</h1><p>We\'ll get back to you soon.</p>',
        );

        return $this->json(['success' => true]);
    }
}