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