MODX pdoPage show my class MapProduct

[[!pdoPage?
    &class=`MapProduct`
    &tpl=`@INLINE [[+ID]]::[[+art]]</br>`
    &element=`getSheets`
 &limit=`10`
]]
[[!+page.nav]]
сниппет getSheets:
<?php
$path = MODX_CORE_PATH . 'components/pdotools/model/pdotools/';
$pdoFetch = $modx->getService('pdofetch','pdoFetch', $path, $scriptProperties);
$pdoFetch->setConfig($scriptProperties);
return $pdoFetch->run();