protected function createQuestionPool($name = "dummy")
 {
     global $tree;
     $parent_ref = $tree->getParentId($this->object->getRefId());
     include_once "./Modules/SurveyQuestionPool/classes/class.ilObjSurveyQuestionPool.php";
     $qpl = new ilObjSurveyQuestionPool();
     $qpl->setType("spl");
     $qpl->setTitle($name);
     $qpl->setDescription("");
     $qpl->create();
     $qpl->createReference();
     $qpl->putInTree($parent_ref);
     $qpl->setPermissions($parent_ref);
     $qpl->setOnline(1);
     // must be online to be available
     $qpl->saveToDb();
     return $qpl->getRefId();
 }