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();
}