>
</div><div class="memdoc">
<p>Expresses interest in the given subject. The subject can have wildcards (see <a class="el" href="group__wildcards_group.html">Wildcards</a>). Messages will be delivered to the associated <a class="el" href="group__callbacks_group.html#gad1a5ac566893e13dc8c81ac0e9c87afe" title="Callback used to deliver messages to the application.">natsMsgHandler</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">sub</td><td>the location 