public function updateMeta()
 {
     $this->checkNonce();
     $data = array();
     $metaId = $this->Request->getParameter('MetaID');
     $value = $this->Request->getParameter('Value');
     if ($value == '') {
         $value = null;
     }
     //TODO: consider using TypeConverter::convertFromString(); but will need schema & MetaDef for this
     if (strtolower($value) === 'true') {
         $value = true;
     }
     if (strtolower($value) === 'false') {
         $value = false;
     }
     $noderef = $this->getNodeRef();
     $this->RegulatedNodeService->updateMeta($noderef, $metaId, $value);
     $data[] = array('SiteSlug' => $noderef->getSite()->getSlug(), 'ElementSlug' => $noderef->getElement()->getSlug(), 'NodeSlug' => $noderef->getSlug(), 'MetaID' => $metaId, 'Success' => true);
     $this->bindToActionDatasource($data);
     return new View($this->successView());
 }