How to pass a parameter to an HTML view

I have a Form 1 where I have a custom action button for each row. This action button calls a function with an openURL procedure.

Then I have an HTML view that takes Parameter 1.

I want to open HTML view and pass a parameter from Form 1. I got Form 1 working and HTML view working. But somehow I can't get openURL to pass the parameter to the Parameter 1.