Paul,Thanks for your answer.What URL does the form need to submit to for this to work, I assume it would be talking to LiveCycle Forms?I would create a simple form with a regular button with the server-side script to catch the click event, and presumably also a submit button with the LiveCycle Forms...

Paul,Is it possible to use just LiveCycle Forms and LiveCycle Process Management (ES 2.5) and have a PDF Form button click event script run on the server?I would like to call a web service to populate a form, but the form isn't Reader Extended.If it is possible, what do I need to setup on the Form, ...