newsupernova/vendor/magento/module-product-video/etc/adminhtml/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="product_video" translate="label" type="text" sortOrder="350" showInDefault="1" showInWebsite="1" showInStore="0">
                <label>Product Video</label>
                <field id="youtube_api_key" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="0">
                    <label>YouTube API Key</label>
                </field>
                <field id="play_if_base" translate="label" type="select" sortOrder="20" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                    <label>Autostart base video</label>
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                </field>
                <field id="show_related" translate="label" type="select" sortOrder="30" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                    <label>Show related video</label>
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                </field>
                <field id="video_auto_restart" translate="label" type="select" sortOrder="40" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                    <label>Auto restart video</label>
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                </field>
            </group>
        </section>
    </system>
</config>