Relating Radio button to a dynamic pop up menu

I am trying to build a gui. there is a button group containing two radio buttons named plant A and plant B. Plant A and B have separate set of variables. There is a pop up menu below. What I am trying is , when i make a selection in the button group (either A or B ), all the variable corresponding to the selected plant is visible in the pop up menu and from there i can select a particular variable for data analysis.

Answer 1

[Sean de Wolski]

FEX.Matt's_GUIs.GUI21 and GUI22