FriendMessageWithAttachment.php

<?php
namespace Acme\MessageBundle\FormType;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;
use Symfony\Component\Security\Core\SecurityContext;
use Doctrine\ODM\MongoDB\DocumentRepository;

class FriendMessageWithAttachmentFormType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('message', 'acme_friend_message')
            ->add('attachment', 'file')
        ;
    }

    public function getName()
    {
        return 'acme_friend_message_with_attachment';
    }

    public function setDefaultOptions(OptionsResolverInterface $resolver)
    {
    }
}