system.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
    <system>
        <section id="catalog">
            <group id="seo">
                <label>Search Engine Optimization</label>
                <field id="category_url_suffix" translate="label comment" type="text" sortOrder="3" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                    <label>Category URL Suffix</label>
                    <backend_model>Magento\Catalog\Model\System\Config\Backend\Catalog\Url\Rewrite\Suffix</backend_model>
                    <comment>You need to refresh the cache.</comment>
                </field>
                <field id="product_url_suffix" translate="label comment" type="text" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                    <label>Product URL Suffix</label>
                    <backend_model>Magento\Catalog\Model\System\Config\Backend\Catalog\Url\Rewrite\Suffix</backend_model>
                    <comment>You need to refresh the cache.</comment>
                </field>
                <field id="product_use_categories" translate="label" type="select" sortOrder="4" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                    <label>Use Categories Path for Product URLs</label>
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                </field>
                <field id="save_rewrites_history" translate="label" type="select" sortOrder="5" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                    <label>Create Permanent Redirect for URLs if URL Key Changed</label>
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                </field>
            </group>
        </section>
    </system>
</config>