How To Configure Cache Filter For Simple Action File?

hi,i hope that configure cache filter for simple action file, how to do? the code like:

class pinyinpickerAction extends CAction

{

public function run()

{

//code

}

}

i found the cache filter in control file in yii doc is:

public function filters()

{

return array(

array(

‘COutputCache’,

‘duration’=>100,

‘varyByParam’=>array(‘id’),

),

);

}

but i don’t know how to configure in simple action file, thks