value change event of select widget

[jxu2]

I want to use value change event of select widget,but tried with servral times and  get nothing.Does any body tried with it?

[jxu2]

I also post it to Mr Clay at below:https://community.ptc.com/t5/Studio/What-is-the-format-for-quot-List-quot-in-the-Select-widget/m-p/550949#M3300

pls refer to the attatched exported file for the detailed code.

[jxu2 · Accepted solution]

the question has been solved,pls refer to the former link for detail.