newsupernova/app/code/Mageplaza/AjaxLayer/etc/adminhtml/system.xml

<?xml version="1.0"?>
<!--
/**
 * Mageplaza
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Mageplaza.com license that is
 * available through the world-wide-web at this URL:
 * https://www.mageplaza.com/LICENSE.txt
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade this extension to newer
 * version in the future.
 *
 * @category    Mageplaza
 * @package     Mageplaza_AjaxLayer
 * @copyright   Copyright (c) Mageplaza (http://www.mageplaza.com/)
 * @license     https://www.mageplaza.com/LICENSE.txt
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
    <system>
        <section id="layered_navigation" translate="label" sortOrder="50" showInDefault="1" showInWebsite="1" showInStore="1">
            <class>separator-top</class>
            <label>Ajax Layered Navigation</label>
            <tab>mageplaza</tab>
            <resource>Mageplaza_LayeredNavigation::configuration</resource>
            <group id="general" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
                <label>General Configuration</label>
                <field id="head" translate="label" type="button" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1">
                    <frontend_model>Mageplaza\Core\Block\Adminhtml\System\Config\Head</frontend_model>
                    <comment><![CDATA[
                        <ul class="mageplaza-head">
                            <li><a href="https://docs.mageplaza.com/layered-navigation-m2/" target="_blank">User Guide</a>    </li>
                            <li><a href="https://mageplaza.freshdesk.com/support/discussions/forums/6000241382" target="_blank">Ask Community</a> </li>
                            <li><a href="https://mageplaza.freshdesk.com/" target="_blank">Ask Mageplaza</a> </li>
                            <li><strong><a href="https://www.mageplaza.com/?utm_source=magento2&utm_medium=documents&utm_campaign=layered-navigation" target="_blank">Find more extensions</a></strong> </li>
                        </ul>
                        ]]></comment>
                </field>
                <field id="ajax_enable" translate="label" type="select" sortOrder="15" showInDefault="1" showInWebsite="1" showInStore="1">
                    <label>Enable</label>
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                </field>
            </group>
        </section>
    </system>
</config>