Message of the day:
SilverStripe User Research Panel: https://www.silverstripe.com/products/silverstripe-user-research-panel. List and comment on UX through https://goo.gl/B9WorH
For discussions about using SilverStripe CMS - a place to share ideas, ask for advice and chat about content management.
basically, the logic is allowing the user to “submit” the form but not mark it as complete, so when they hit submit it returns them a unique hash (this can be a URL as well) that they can return to later