With eForm v3.4 it is now possible to show different success message and send different email if user updates the submission.
Update Success Message
Settings can be found under Form Settings > Form Submission. Edit the content inside Update Message and you are good to go. All format strings are available here.
Update Email Notification
- Go to Result & email > User Notification.
- Change Form Update Subject.
- Change Update Notification Message.
You can also apply the same set of format strings here.