/span></span>
         the name of the sender.  This may have the form
of a well known name (e.g. <code>&quot;org.freedesktop.DBus&quot;</code>) or a specific connection
name ( e.g. <code>&quot;:1.113&quot;</code>).  See also the <a href="https://dbus.freedesktop.org/doc/dbus-tutorial.html#bus-names">Bus Names section of the DBus
tutorial</a>.  If
specified, only signals from this sender will be taken into account.
         (<em>optional</em>)
        </li>
    </ul>




    <h3>Usage:</h3>
    <ul>
       