 <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</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>
<p>If no message is received by the