sGetMainCategories example

$templatePath = 'newsletter/index/' . $mailing['template'];

        if (!empty($mailing['plaintext'])) {
            $templatePath = 'newsletter/alt/' . $mailing['template'];
        }

        if (!$template->isCached($templatePath)) {
            $template->assign('sMailing', $mailing);
            $template->assign('sStart', ($shop->getSecure() ? 'https://' : 'http://') . $shop->getHost() . $shop->getBaseUrl());
            $template->assign('sUserGroup', Shopware()->System()->sUSERGROUP);
            $template->assign('sUserGroupData', Shopware()->System()->sUSERGROUPDATA);
            $template->assign('sMainCategories', Shopware()->Modules()->Categories()->sGetMainCategories());
        }

        return $template;
    }

    /** * @deprecated in 5.6, will be private in 5.8 * * Returns mailing data using the mailing id. * * @param int $id * * @return array */