many to many relationship search

Hi,

I created 3 tables:

User

User-Group

Group

Where i can have a many-to-many relationship.

But how i create on the search method a find to it?

My Code so far




	public function relations()

	{

		// NOTE: you may need to adjust the relation name and the related

		// class name for the relations automatically generated below.

		return array(

			'group'=>array(self::MANY_MANY, 'Group', 'tbl_profile(id_user, id_group)'),

			'groupList' => array( self::HAS_MANY, 'Group', 'id_user' ),

	

	}


	$criteria->with=array('groupList' => array(

		        'condition' => 'id_user = 1',

		));




Thanks