Не выводит количество результатов выборки (плейсхолдер pdoResources в totalVar)

$modx->runSnippet('pdoResources', array(
    'parents' => (isset($resource) ? $resource : 6),
    'depth' => (isset($resource) ? 0 : 1),
    'tpl' => 'item.services_page.entertainments.item',
    'includeTVs' => 'image,price',
    'includeContent' => 1,
    'showUnpublished' => 1,
    'showHidden' => 0,
    'where' => '{"template:=":8,"hidemenu:=":0,"deleted:=":0}',
    'hideContainers' => 1,
    'limit' => $limit,
    'maxLimit' => $limit,
    'offset' => ($cur_page - 1) * $limit,
    'totalVar' => 'total_selected'
));
 
return '~'.$modx->getPlaceholder('total_selected').'~';