I have set default file name in textbox but it's not working. Can you please guide me where I went wrong?
my Code is:
app/code/learning/Custom/etc/adminhtml/system.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../Config/etc/system_file.xsd">
<system>
<tab id="custom" translate="label" sortOrder="0">
<label>Custom Extension</label>
</tab>
<section id="custom_customer" translate="label" type="text" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1">
<label>Customer</label>
<tab>custom</tab>
<resource>Learning_Custom::config_custom</resource>
<group id="magento_customer_logs" translate="label" type="text" sortOrder="4" showInDefault="1" showInWebsite="1" showInStore="1">
<label>Magento Customer Logs</label>
<field id="magento_request" translate="label" type="text" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1">
<label>Magento Customer Request</label>
</field>
<field id="magento_response" translate="label" type="text" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1">
<label>Magento Customer Response</label>
</field>
</group>
</section>
</system>
</config>
app/code/learning/Custom/etc/acl.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/Acl/etc/acl.xsd">
<acl>
<resources>
<resource id="Magento_Backend::admin">
<resource id="Magento_Backend::stores">
<resource id="Magento_Backend::stores_settings">
<resource id="Magento_Config::config">
<resource id="Learning_Custom::config_custom" title="Custom Section" sortOrder="80" />
</resource>
</resource>
</resource>
</resource>
</resources>
</acl>
</config>
app/code/learning/Custom/etc/config.xml
<?xml version="1.0"?>
<!--
/**
* Copyright © 2015 Magento. All rights reserved.
* See COPYING.txt for license details.
*/
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../Store/etc/config.xsd">
<default>
<custom_customer>
<magento_customer_logs>
<magento_request>magento_request</magento_request>
<magento_response>magento_response</magento_response>
</magento_customer_logs>
</custom_customer>
</default>
</config>
Could you please let me know where I went wrong?