[UMG] how to get wrap box slot position?

Hi,

I have few buttons in wrap box, how can I get their screen position(x and y) ?

I got it working for button placed directly in canvas panel, but dont know how to get it for widgets places insde wrapbox.

See attached screenshot.
Many thanks!

anybody? pretty please

if there is missing functionality, I will create official request. Probably there is solution for this, i just fail to find it.