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<?xml version="1.0"?>
<!--
/**
 * Copyright (c) 2020 Kaliop Digital Commerce (https://digitalcommerce.kaliop.com) All Rights Reserved.
 * https://opensource.org/licenses/OSL-3.0  Open Software License (OSL 3.0)
 * Cnc
 * Radosław Stępień <[email protected]> <[email protected]>
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Api/etc/extension_attributes.xsd">
    <extension_attributes for="Magento\Sales\Api\Data\OrderInterface">
        <attribute code="payment_method" type="string" >
            <join reference_table="sales_order_payment" reference_field="parent_id" join_on_field="entity_id">
                <field>method</field>
            </join>
        </attribute>
    </extension_attributes>
</config>