Symfony From Select input

use Acme\YourBundle\Entity\Usertype;

class LoginForm extends AbstractType {

    public function buildForm(FormBuilder $builder, array $options)
    {
        $builder->add('usertype', 'entity',
            array(
                'class' => 'AcmeYourBundle:Usertype'
                'label' => 'User Type',
            )
        );
    }
}