magento-test/app/code/Magento/GraphQl/etc/adminhtml/system.xml

<?xml version="1.0"?>
<!--
/**
 * Representation of Webapi module in System Configuration (Magento admin panel).
 *
 * 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="webapi">
            <group id="graphql_validation" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
                <label>GraphQl Input Limits</label>
                <field id="input_limit_enabled" translate="label" type="select" sortOrder="5" showInDefault="1" showInWebsite="1" showInStore="1">
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                    <label>Enable Input Limits</label>
                    <config_path>graphql/validation/input_limit_enabled</config_path>
                </field>
                <field id="maximum_page_size" translate="label comment" type="text" sortOrder="15" showInDefault="1" showInWebsite="1" showInStore="1">
                    <label>Maximum Page Size</label>
                    <comment>Maximum number of items allowed in a paginated search result.</comment>
                    <config_path>graphql/validation/maximum_page_size</config_path>
                    <depends>
                        <field id="input_limit_enabled">1</field>
                    </depends>
                </field>
            </group>
            <group id="graphql_session" translate="label" type="text" sortOrder="20" showInDefault="0" showInWebsite="0" showInStore="0">
                <label>GraphQl Session Management</label>
                <field id="disabled" translate="label" type="select" sortOrder="20" showInDefault="0" showInWebsite="0" showInStore="0">
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                    <label>Disable session</label>
                    <config_path>graphql/session/disable</config_path>
                </field>
            </group>
        </section>
        <section id="web_api">
            <group id="graphql" translate="label" type="text" sortOrder="50" showInDefault="1" showInWebsite="1" showInStore="1">
                <label>GraphQl</label>
                <field id="include_dynamic_attributes_as_entity_type_fields" translate="label" type="select" sortOrder="25" showInDefault="1" showInWebsite="1" showInStore="1">
                    <label>Include dynamic attributes as entity type fields</label>
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                    <config_path>web_api/graphql/include_dynamic_attributes_as_entity_type_fields</config_path>
                </field>
            </group>
        </section>
    </system>
</config>