_desc_flat">Fire an event immediately, calling all listeners.
            properties : An optional pass-through value to hand to the listener.
            Returns true if event existed, false otherwise.
            If the optional tag flag is set (default:false), the properties object will be modified
            with some debug information, like <em>event_name</em> and <em>event_connection_count</em></span></p>
<p></span>
<span class="method apipage">
            <a name="listen"><a class="lift" href="#lis