File: /var/www/vhost/disk-apps/magento.bikenow.co/vendor/magento/module-downloadable/etc/fieldset.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:framework:DataObject/etc/fieldset.xsd">
<scope id="global">
<fieldset id="downloadable_sales_copy_order">
<field name="entity_id">
<aspect name="to_downloadable" targetField="order_id" />
</field>
<field name="increment_id">
<aspect name="to_downloadable" targetField="order_increment_id" />
</field>
<field name="created_at">
<aspect name="to_downloadable" />
</field>
<field name="updated_at">
<aspect name="to_downloadable" />
</field>
<field name="customer_id">
<aspect name="to_downloadable" />
</field>
</fieldset>
<fieldset id="downloadable_sales_copy_order_item">
<field name="item_id">
<aspect name="to_downloadable" targetField="order_item_id" />
</field>
<field name="name">
<aspect name="to_downloadable" targetField="product_name" />
</field>
<field name="sku">
<aspect name="to_downloadable" targetField="product_sku" />
</field>
</fieldset>
<fieldset id="downloadable_sales_copy_link">
<field name="product_id">
<aspect name="to_purchased" />
</field>
<field name="link_id">
<aspect name="to_purchased" />
</field>
<field name="title">
<aspect name="to_purchased" targetField="link_title" />
</field>
<field name="is_shareable">
<aspect name="to_purchased" />
</field>
<field name="link_url">
<aspect name="to_purchased" />
</field>
<field name="link_file">
<aspect name="to_purchased" />
</field>
<field name="link_type">
<aspect name="to_purchased" />
</field>
</fieldset>
<fieldset id="downloadable_data">
<field name="link_id">
<aspect name="to_link" targetField="id"/>
</field>
<field name="sample_id">
<aspect name="to_sample" targetField="id"/>
</field>
<field name="type">
<aspect name="to_link" targetField="link_type"/>
<aspect name="to_sample" targetField="sample_type"/>
</field>
</fieldset>
<fieldset id="downloadable_link_sample_data">
<field name="url">
<aspect name="to_link_sample" targetField="sample_url"/>
</field>
<field name="type">
<aspect name="to_link_sample" targetField="sample_type"/>
</field>
</fieldset>
</scope>
</config>