Add and remove privacy masks.

How can I add and remove the stock privacy masks (or liftable privacy mask).

My end goal is to do this with a user defined event or other means.

Thanks!

Did you see this clue?

https://doc.developer.milestonesys.com/html/index.html?base=gettingstarted/mip2018r1_intro.html&tree=tree_search.html?search=privacy+mask

I am not sure if that is sufficient information, let me know if it is not..