Conditional Operator not working as expected in Post Expression

[prabhu_er]

StationGlobals.test_Data=(Step.Result.Error.Occurred?Step.Result.Error.Msg:StationGlobals.test_Data)

In the above expression,i am expecting  StationGlobal.test_Data=Step.Result.Error.Msg when error occurs,but i am not getting result as i expected in post expression

[~jiggawax~]

If you look at the step actions here: https://www.ni.com/docs/en-US/bundle/teststand/page/step-execution.html

At the bottom of the page it describes what happens when an error occurs.  My guess is that your post expression is not actually being evaluated.

Hope this helps,