OpenURL to pass ID to stateless form within a page

OpenURL to pass ID to stateless form within a page

Hello All.

I have a Form called 'First'
A Report called 'All First'
A Stateless Form called 'First_Party' (identical to 'First')
And a Page called 'Ticket'

On my Report I have a Button (report workflow) that runs the following when clicked:

  1. openUrl("#Page:Ticket?Field=" + input.ID,"same window");

'Field' is a single line text located on the Stateless Form (First_Party).

Expected behaviour: The Page is opened and 'Field' dispays the ID
Actual Behaviour: The page is opened and 'Field' is blank.

Can someone tell me what I've missed? I'm new to stateless forms / pages.