<?php
class PostController extends CController
{
	function actionAddComment()
	{
		$post = Post::model()->findByPk(10);
		$notifier = new Notifier();

		// attaching event handler
		$post->onNewComment = array($notifier, 'comment');

		// in the real application data should come from $_POST
		$comment = new Comment();
		$comment->author = 'Sam Dark';
		$comment->text = 'Yii events are amazing!';

		// adding comment
		$post->addComment($comment);
	}
}