 -&gt; <a href="../base-4.9.0.0/System-IO.html#t:IO">IO</a> () <a href="src/Network.MQTT.Broker.html#publishUpstream" class="link">Source</a> <a href="#v:publishUpstream" class="selflink">#</a></p><div class="doc"><p>Publish a message on the broker regarding specific permissions of the session.</p><p>QUESTION: Where do qos 1 and 2 messages get acknowledged?</p></div></div><div class="top"><p class="src"><a id="v:publishUpstream-39-" class="def">publishUpstream'</a> :: <a href="Network-MQTT-Broker.html#t:Bro