How does small caps group kerning works?

I would like to use group kerning for my small caps (different than for uppercase letters).
Group “small cap A acute” ( with “small cap A” (
However, if I’m writing “” in left or right groups, kerning doesn’t apply.
How does small caps group kerning works?
Is there a specific syntax for this?

Thanks for your help.

Try instead of

I will try not to start a war (this is a recurring, ideologically heavily charged topic), but I would also suggest naming your smallcaps as lowercase, instead of uppercase.

Thanks for your answer,
I’ve tried both without any results.

You have kerning exceptions set. Click the lock icon to close it and apply the kerning to all group members.

Ooh… of course.
Thanks a lot for your help.