Василий Наумкин

public function process(array $scriptProperties = array()) {
        $onSiteSettingsRender = $this->modx->invokeEvent('OnSiteSettingsRender');
        if (is_array($onSiteSettingsRender)) {
            $this->onSiteSettingsRender = implode("\n",$onSiteSettingsRender);
        }
}

require_once MODX_CORE_PATH . 'components/pdotools/model/pdotools/pdofetch.class.php';
$pdoFetch = new pdoFetch($modx, $scriptProperties);