function editMetadataTab($args, $request)
{
$submissionFile = $this->getAuthorizedContextObject(ASSOC_TYPE_SUBMISSION_FILE);
$reviewRound = $this->getAuthorizedContextObject(ASSOC_TYPE_REVIEW_ROUND);
$stageId = $request->getUserVar('stageId');
$metadataForm = $submissionFile->getMetadataForm($stageId, $reviewRound);
$metadataForm->setShowButtons(true);
return new JSONMessage(true, $metadataForm->fetch($request));
}