fied event. In general, events receive a <code>BaseEvent</code> object, but the events related to content parsing receive an object of type <code>ParseEvent</code> (which in turn inherits from <code>BaseEvent</code>).</p>

<p>You can access any property and service application through the event object using <code>$event-&gt; app</code>, as shown below:</p>

<div class="code code">
<pre class="code">// ...
&nbsp;
public function onStart(BaseEvent $event)
{
    $event-&gt;app-&gt;set('app.timer.start', microt