如何使用组选择扩展NoFlo-Ui

I'm trying to add functionality to the noflo ui, I'd like to be able to select groups and display a panel showing the group name and description. (The panel would show up in the same place as the help panel.) I'm trying to do this as the first step to extending the groups paradigm. (I'd like to be able to add more group metadata and allow the user to edit that metadata.)I'm trying to add functionality to the noflo ui