Pass data from form to popup

[vbulash]

Data, I want to pass it in popup, stored in Elementor form hidden field.
I assign only open popup as form action.
What I see at browser development tools when form button clicked and popup opens up:
- form data contains data from hidden field
- ajax call doesn't contain this data
So, popup not aware about any additional data.

How to pass form data to popup?
How to get this data in popup?