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="multi.topic.queue.topic.c"/>
    <publisher topic="multi.topic.queue.topic.d"/>
    <publisher topic="multi.topic.queue.topic.y"/>
    <publisher topic="multi.topic.queue.topic.z"/>
    <publisher topic="mtmh.topic.1"/>
    <publisher topic="mtmh.topic.2"/>

    <publisher topic="segment1.segment2.segment3.wildcard"/>
    <publisher topic="segment2.segment3.wildcard"/>
    <publisher topic="not.matching.wildcard.topic"/>
</config>