Browser details, IP Address, Longitude/Latitude and/or the Unique ID from a Submission can be added to your Notification or Confirmation emails. This data can either be added to the body of the message or into the Subject line of the email.
To add this to your messaging, go into the Form > Settings > Emails & Actions > Notification/Confirmation email > choose to set up a Custom Message. In the Form Field Panels, search for or scroll to the Extra fields at the bottom. Drop and drag the field label into the email message.