Pimcore\Model\Object\KeyValue\KeyConfig\Listing::getList PHP Method

    public function getList()
    {
        return $this->list;
    }

 /** Returns the group/key config as XML.
  * @return mixed
  */
 public static function export()
 {
     $xml = new \SimpleXMLElement('<xml/>');
     $groupConfigList = new Object\KeyValue\GroupConfig\Listing();
     $groupConfigList->load();
     $groupConfigItems = $groupConfigList->getList();
     $groups = $xml->addChild('groups');
     foreach ($groupConfigItems as $item) {
         $group = $groups->addChild('group');
         $group->addChild("id", $item->getId());
         $group->addChild("name", $item->getName());
         $group->addChild("description", $item->getDescription());
     }
     $keyConfigList = new Object\KeyValue\KeyConfig\Listing();
     $keyConfigList->load();
     $keyConfigItems = $keyConfigList->getList();
     $keys = $xml->addChild('keys');
     foreach ($keyConfigItems as $item) {
         $key = $keys->addChild('key');
         $id = $key->addChild('id', $item->getId());
         $name = $key->addChild('name', $item->getName());
         $description = $key->addChild('description', $item->getDescription());
         $type = $key->addChild('type', $item->getType());
         $unit = $key->addChild('unit', $item->getUnit());
         $group = $key->addChild('group', $item->getGroup());
         $possiblevalues = $key->addChild('possiblevalues', $item->getPossibleValues());
     }
     return $xml->asXML();
 }