Anim Montage Doesnt Work in last version of UDK

Good Day.Im using Anim Montage i mean im trying to use it to play an animation dynamically from blueprint code.so it will be a button of AIM and person will play aim animation.However im doing all right and my animation just will not play at all!I noticed that anim montage not working on last version as users tell but i dont believe as UDK will not be so stupid to miss that important part,so please can you give me an example of simple animation montage usage with blueprint code?