FormBuilderFormConfig.php

<?php

namespace WhiteOctober\FormBuilderBundle\Form;

use Symfony\Component\Form\Config\FormConfig;

use Symfony\Component\Form\FieldInterface;
    
class FormBuilderFormConfig extends FormConfig
{
    public function configure(FieldInterface $form, array $options)
    {
        parent::configure($form, $options);
        $form->setDataClass('WhiteOctober\FormBuilderBundle\Document\FormBuilder');
        $form->add('hidden','id');
        $form->add('name');
        $form->add('short_url');
        $form->add('textarea', 'welcome_text');
        $form->add('self_registration');
    }

    public function getIdentifier()
    {
        return 'form_builder';
    }
}