Suggest Not Working

Please somebody help me… i just make private message from this extension http://www.yiiframework.com/extension/private-messaging/… i just completely finish create the extension…when i want to compose the message… field auto search for username just not working…please help me to solve this!!!

This is SuggestController

<?php

class SuggestController extends Controller {

public function actionUser() {


	&#036;q = Yii::app()-&gt;request-&gt;getParam('name_startsWith');


	&#036;userModels = (array) call_user_func(array(


		CActiveRecord::model(Yii::app()-&gt;getModule('message')-&gt;userModel),


		Yii::app()-&gt;getModule('message')-&gt;getSuggestMethod


	), &#036;q);





	&#036;users = array();


	if (&#036;userModels) {


		foreach (&#036;userModels as &#036;userModel) {


			&#036;users[] = array(


				'id' =&gt; &#036;userModel-&gt;getPrimaryKey(),


				'name' =&gt; call_user_func(array(


					&#036;userModel, &#036;this-&gt;getModule()-&gt;getNameMethod


				))


			);


		}


	}


	&#036;json = CJSON::encode(array('users' =&gt; &#036;users));





	if (Yii::app()-&gt;request-&gt;getParam('callback')) {


	    &#036;callback = Yii::app()-&gt;request-&gt;getParam('callback');


		&#036;json = &#036;callback . '('. &#036;json . ')';


	}





	header('Cache-Control: no-store');


	header('Pragma: no-store');


	header(&quot;Content-type: application/json&quot;);


	echo &#036;json;


	Yii::app()-&gt;end();


}

}