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="synchronous.rpc.test"/>
    <publisher topic="magento.testModuleSynchronousAmqp.api.serviceInterface.execute"/>
    <publisher topic="sync.topic.for.mixed.sync.and.async.queue"/>
    <publisher topic="multi.topic.queue.topic.a"/>
    <publisher topic="multi.topic.queue.topic.b"/>
</config>