UPDATE : How to add tap/click event listener and get event on a Cube object ?

[PoN]

FIXED!RESOLVED!

I just have added a Cube object to Hierarchy under Camera object which has a UICamera component. On the Cube object set UI Layer.  Then i 've added UIEvent trigger component on the Cube object, then start scene , try to click on the Cube and nothing happend , where i was wrong ?

I would like to tap/click on an any 3D object and get event of NGUI system. How to do this ?

thanks.

FIXED!RESOLVED!