Save and continue and using Gravity Forms in modal windows

Hi everyone!

The website that I am currently working on uses gravity forms in bootstrap modals.
There are pages that contain multiple forms, thus multiple modals. The user has to click on a button to trigger the modal to open.

When I click the continue link, how can I “tell” the browser which form I want to continue working on? Is there any way to open the modal that contains the targeted form automatically (with PHP or JS)?

Can anyone point me in the right direction here?
Any help is much appreciated.

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