I think you would have to change your flow a little bit. Allow the user to submit the form, then make it only visible to them in a list or somewhere in your app. Display a purchase button on the items details to them allow them to buy.
I think you would have to change your flow a little bit. Allow the user to submit the form, then make it only visible to them in a list or somewhere in your app. Display a purchase button on the items details to them allow them to buy.