queue_publisher.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-message-queue:etc/publisher.xsd">
    <publisher topic="topic.message.queue.config.01">
        <connection name="amqp" exchange="magento2" />
        <connection name="db" exchange="magento2" disabled="true" />
    </publisher>
    <publisher topic="topic.message.queue.config.02">
        <connection name="amqp" exchange="magento2" disabled="true"/>
        <connection name="db" exchange="magento2" disabled="true" />
    </publisher>
    <publisher topic="topic.message.queue.config.03" disabled="true" />
    <publisher topic="topic.message.queue.config.04">
        <connection name="amqp" />
    </publisher>
    <publisher topic="overlapping.topic.declaration"/>
</config>