def _loadData(self, data):
        """ Load attribute values from Plex XML response. """
        self._data = data
        for elem in data:
            id = utils.lowerFirst(elem.attrib['id'])
            if id in self._settings:
                self._settings[id]._loadData(elem)
                continue
            self._settings[id] = Setting(self._server, elem, self._initpath)