getFormFields() публичный Метод

public getFormFields ( Order $order, Form $form = null )
$order Order
$form Form
 public function getFormFields(Order $order)
 {
     $fields = parent::getFormFields($order);
     if (!$fields->exists()) {
         return $fields;
     }
     $checkbox = CheckboxField::create('RegisterAnAccount', _t('DependantMembershipCheckoutComponent.REGISTER_ACCOUNT', 'Register an account'), $this->checked);
     return FieldList::create($checkbox, CompositeField::create(parent::getFormFields($order))->setName('RegisterAccount-Holder')->setAttribute('data-show-if', '[name=' . get_class($this) . '_RegisterAnAccount]:checked'));
 }