How to use the onedrivesdk.ItemReference function in onedrivesdk

def _get_new_item(self):
        item = Item()
        if self.new_parent_relpath != self.parent_relpath:
            ref = ItemReference()
            # Refer to https://dev.onedrive.com/items/move.htm for Move API request.
            ref.path = '/drives/' + self.repo.drive.id + '/root:'
            if self.new_parent_relpath != '':
                ref.path += self.new_parent_relpath
            item.parent_reference = ref
        if self.new_name != self.item_name:
            item.name = self.new_name
        return item

def _init_item_to_update(self, item_id=None, item_path=None,
                             parent_id=None, parent_path=None):
        """
        Init parent reference and item
        :param item_id:
        :param item_path:
        :param parent_id:
        :param parent_path:
        :return: tuple
        """
        ref = onedrivesdk.ItemReference()
        ref.id = parent_id
        ref.path = self._get_full_path(parent_path)

        return self.client.item(id=item_id, path=item_path), ref