Action::fetch PHP Method

    protected function fetch($templateFile = '', $charset = 'utf-8', $contentType = 'text/html')
    {
        $GLOBALS['time_run_detail']['action_display_before_fetch'] = microtime(true);
        $this->assign('appCssList', $this->appCssList);
        $this->assign('appJsList', $this->appJsList);
        $this->assign('langJsList', $this->langJsList);
        Addons::hook('core_display_tpl', array('tpl' => $templateFile, 'vars' => $this->tVar, 'charset' => $charset, 'contentType' => $contentType, 'display' => $display));
        $content = fetch($templateFile, $this->tVar, $charset, $contentType);
        $this->buildHtml($content);
        return $content;
    }

 function fetch($templateFile = '', $content = '', $prefix = '')
 {
     return parent::fetch($this->parseTemplate($templateFile), $content, $prefix);
 }