Expandable - is there a way to know if it is expanded or not?

Widgets & Design

I have an expandable inside a listview. I want to place an arrow to expand it that is initially in the collapsed view, but when it expands I want the arrow to show in the expanded view. Is there a way to somehow check if the expandable is expanded or not and have conditional visibility for the two arrows accordingly?

What have you tried so far?

Tried implementing it

Did you check FlutterFlow's Documentation for this topic?
Yes
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