nineskeletor/src/Validator/Userusername.php

<?php

namespace App\Validator;

use Symfony\Component\Validator\Constraint;

/**
 * @Annotation
 */
class Userusername extends Constraint
{
    public $messageinvalid = "Le login n'est pas valide";
    public $messagenotunique = 'Le login exisite déjà';
}