Hi Hugo, thanks for your response.
I think I need to make my question clearer.
I know how to make sub groups, but I don’t know make groups within those sub groups. I know it must be possible because other langauges that are in the app by default often have two levels of groups, but I can only make first level groups.
My question is: How can I make second level groups… groups within groups? in the Groups.plist?