in backup/moodle2/restore_assignfeedback_onenote_subplugin.class.php [56:69]
public function process_assignfeedback_onenote_grade($data) {
global $DB;
$data = (object)$data;
$data->assignment = $this->get_new_parentid('assign');
$oldgradeid = $data->grade;
// The mapping is set in the restore for the core assign activity
// when a grade node is processed.
$data->grade = $this->get_mappingid('grade', $data->grade);
$DB->insert_record('assignfeedback_onenote', $data);
$this->add_related_files('assignfeedback_onenote', 'feedback_files', 'grade', null, $oldgradeid);
}