Contao\PageRoot::generate PHP Метод

    public function generate($rootPageId, $blnReturn = false, $blnPreferAlias = false)
    {
        if (!$blnReturn) {
            $this->redirect($this->getRedirectUrl($rootPageId));
        }
        $objNextPage = $this->getNextPage($rootPageId);
        return $blnPreferAlias && $objNextPage->alias != '' ? $objNextPage->alias : $objNextPage->id;
    }