VariAudio changing notes on duplicate track ??

hello
I am trying to change a note in VariAudio on duplicate track to make a second voice from same track what I did in Cubase 6 and now I cant it changing the note on both track at the same time?
greetings

Before starting the edit process select the event you want to alter and select:

1.Edit/Functions/Convert to Real Copy.

Or 2. Audio/Bounce Selection.