What is the IronPython script to list the data limiting expression for each visualization in a document

[Ethan Miller]

I can figure out how getthe data limiting value through a scriptbut can't seem to get it to iterate over all the visualizations. I know how to iterate over other things but can't integrate it with the data limting.

I'm looking for a script that does both. I've gotten tips on each topicbut none that combine iteration over data limiting. Please provider an example.