Clockwork\DataSource\LumenDataSource::listenToEvents PHP Method

    public function listenToEvents()
    {
        $this->timeline->startEvent('total', 'Total execution time.', 'start');
        $this->app['events']->listen('clockwork.controller.start', function () {
            $this->timeline->startEvent('controller', 'Controller running.');
        });
        $this->app['events']->listen('clockwork.controller.end', function () {
            $this->timeline->endEvent('controller');
        });
        $this->app['events']->listen('illuminate.log', function ($level, $message, $context) {
            $this->log->log($level, $message, $context);
        });
        $this->app['events']->listen('composing:*', function ($view) {
            $time = microtime(true);
            $this->views->addEvent('view ' . $view->getName(), 'Rendering a view', $time, $time, array('name' => $view->getName(), 'data' => $this->replaceUnserializable($view->getData())));
        });
    }