Initialize

add dhtmlCalYii in webroot/protected/config/main.php

<?php
return
    array(
         'modules'=>array('dhtmlCalYii',  
    ),  
);

it should be like this in model/customer

			Yii::import('application.modules.dhtmlCalYii.models.*');

			return array(
			'event'=>array(self::HAS_MANY,'Events','customer'),
			'eventCount'=>array(self::STAT,'Events','customer'),

			);