get parent of child in tree control method not working properly

[id]

I simply want to get the parent tag of the selection in the tree control.  The get parent method doesnt work for my case.  Anyone have a clue as to why? 

[Don_Phillips]

Change Active Item:Tag -> Value

Cheers!

[id]

That recommendation above put me on the right path to determine what in more detail the problem was.  If the tree control is a strict type def, this method does not work.  As soon as I disconnect the tree control from its typedef defn, it works...See attached.