/**
 * Controller define actions
 */
<?php
class Examplecontroller extends Controller
{
    ....
    public function actions()
    {
        return array(
            'member'=>array(
                'class'=>'Ka',
                'model' =>'Members',
            ),
            'jobs'=>array(
                'class'=>'Ka',
                'model'=>'Projects',
            )
        );
    }
    ...

/**
 * CAction in components folder
 */
class Ka extends CAction
{
    public $model = null;

    public function run( $getParam = null)
    {
       if($this->model === null)
            throw CException('Set Model name');

        $dp = new CActiveDataProvider($this->model);

        $this->controller->renderJson($dp->getData());

    }
}