>

    

        <tr>
            
                <td class="name"><code>arg</code></td>
            

            <td class="type">
            
            </td>

            

            

            <td class="description last">Optional argument to the message. This can be anything
    you want (a number, a string, a complex object). The destination
    actor will receive this as a parameter in the message handler.</td>
        </tr>

    
    </tbody>
</table>






<dl class="details">

    

    
