Edit file File name : Id.php Content :<?php namespace Api\V8\Param\Options; use Symfony\Component\OptionsResolver\OptionsResolver; use Symfony\Component\Validator\Constraints as Assert; class Id extends BaseOption { /** * @inheritdoc */ public function add(OptionsResolver $resolver) { $resolver ->setRequired('id') ->setAllowedTypes('id', 'string') ->setAllowedValues('id', $this->validatorFactory->createClosure([ new Assert\Regex('/^(\d+|[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})$/i') ])); } } Save