Pimcore\Model\Object\ClassDefinition\Data\Relations\AbstractRelations::enrichRelation PHP Метод

    protected function enrichRelation($object, $params, &$classId, &$relation = [])
    {
        if (!$relation) {
            $relation = [];
        }
        if ($object instanceof Object\Concrete) {
            $relation["src_id"] = $object->getId();
            $relation["ownertype"] = "object";
            $classId = $object->getClassId();
        } elseif ($object instanceof Object\Fieldcollection\Data\AbstractData) {
            $relation["src_id"] = $object->getObject()->getId();
            // use the id from the object, not from the field collection
            $relation["ownertype"] = "fieldcollection";
            $relation["ownername"] = $object->getFieldname();
            $relation["position"] = $object->getIndex();
            $classId = $object->getObject()->getClassId();
        } elseif ($object instanceof Object\Localizedfield) {
            $relation["src_id"] = $object->getObject()->getId();
            $relation["ownertype"] = "localizedfield";
            $relation["ownername"] = "localizedfield";
            $context = $object->getContext();
            if ($context && $context["containerType"] == "fieldcollection") {
                $fieldname = $context["fieldname"];
                $index = $context["index"];
                $relation["ownername"] = "/fieldcollection~" . $fieldname . "/" . $index . "/localizedfield~" . $relation["ownername"];
            }
            $relation["position"] = $params["language"];
            $classId = $object->getObject()->getClassId();
        } elseif ($object instanceof Object\Objectbrick\Data\AbstractData) {
            $relation["src_id"] = $object->getObject()->getId();
            $relation["ownertype"] = "objectbrick";
            $relation["ownername"] = $object->getFieldname();
            $relation["position"] = $object->getType();
            $classId = $object->getObject()->getClassId();
        }
    }