Добавление элемента в Gallery с фронта

$gallery = $modx->getService('gallery','Gallery',$modx->getOption('gallery.core_path',null,$modx->getOption('core_path').'components/gallery/').'model/gallery/',$scriptProperties);
	  if (!($gallery instanceof Gallery)) return '';
	  $modx->lexicon->load('gallery:web');
	  $store = $modx->newObject('galItem');
	  $store->fromArray(array(
	    'id' => NULL,
	    'name' => trim($_POST['title']),
	    'filename' => intval($_POST['category']).'/',
	    'description' => trim($_POST['descr']),
	    'mediatype' => 'image',
	    'createdon' => strftime('%Y-%m-%d %H:%M:%S'),
	    'createdby' => intval($_POST['uid']),
	    'active' => '1',
	    'watermark_pos' => 'tl'
	  ));
	  $store->save();