3">retainHandling</a></td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The MQTT V5 subscribe options, apart from QoS which existed before V5. </p>
</div><a name="doc-variable-members" id="doc-variable-members"></a><h2 id="header-doc-variable-members" class="groupheader">Field Documentation</h2>
<a id="aa5326df180cb23c59afbcab711a06479" name="aa5326df180cb23c59afbcab711a06479"></a>
<h2 class="memtitle"><span 