/**
  * {@inheritdoc}
  *
  * @return string
  */
 public function evaluate()
 {
     $this['items'] = $this->getItems();
     return parent::evaluate();
 }
 /**
  *
  * @return type
  */
 public function evaluate()
 {
     $context = $this->getTsRuntime()->getCurrentContext();
     $this->formRegistry->setFormNode($this->getFormIdentifier(), $context['node']);
     return parent::evaluate();
 }