Craft\InstantAnalyticsController::actionTrackEventUrl PHP Method

    public function actionTrackEventUrl()
    {
        $url = urldecode(craft()->request->getParam('url'));
        $eventCategory = urldecode(craft()->request->getParam('eventCategory'));
        $eventAction = urldecode(craft()->request->getParam('eventAction'));
        $eventLabel = urldecode(craft()->request->getParam('eventLabel'));
        $eventValue = urldecode(craft()->request->getParam('eventValue'));
        $analytics = craft()->instantAnalytics->eventAnalytics($eventCategory, $eventAction, $eventLabel, $eventValue);
        $analytics->sendEvent();
        craft()->request->redirect($url, true, 200);
    }