
</ul>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="../../docs/el-GR/listen-to-a-data-store-event.html"><span class="arrow-prev">← </span><span>Listen to a data store event</span></a><a class="docs-next button" href="../../docs/el-GR/send-messages-to-other-systems.html"><span>Send messages to other systems</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#define-the-message">Define the 