ber">123</span>)

<span class="comment">-- Do something else while waiting for the callback to be called with the
</span><span class="comment">-- result</span></pre>
    </ul>

</dd>
    <dt>
    <a name = "Proxy:connect_signal"></a>
    <strong>Proxy:connect_signal (callback, signal_name[, sender_name])</strong>
    </dt>
    <dd>
    Connect a callback function to a signal.


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">callback</span>
            <span class="types"><span class="