etc/adminhtml/system.xml
<?xml version="1.0"?>
<!--
/**
* Copyright © EAdesign by Eco Active S.R.L.,All rights reserved.
* See LICENSE 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>
<tab id="eadesign_extensions" translate="label" sortOrder="1">
<label>EaDesign Settings</label>
</tab>
<section id="eadesign_pdfgenerator" translate="label" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1">
<label>Invoice PDF Generator</label>
<tab>eadesign_extensions</tab>
<resource>Eadesigndev_Pdfgenerator::config_system</resource>
<group id="general" translate="label" type="text" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1">
<label>General</label>
<field id="enabled" translate="label comment" type="select" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1">
<label>Enabled</label>
<comment>Enables or disables extension. If this is set to yes and you get the default template from Magento then you did something wrong.</comment>
<source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
</field>
<field id="email" translate="label comment" type="select" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1">
<label>Attach to email</label>
<comment>Attach the PDF file to email?</comment>
<source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
</field>
</group>
</section>
</system>
</config>