where to put screen class

[Ender KILICOGLU]

Hi
I have a template called with
 
template/openisp,test
 
before looding I want to put something in context. Ill be happy if some
body can say where to put my Test class.
 
I just tried
 
openisp.Test (I cant try Openisp.Test)
 
modules.screen
 
Ender