Contact Form Code Tracking

It would be really great if we can also track leads via contact forms that are captured when a user visits the site using a referral link. We could have a field for a referral code to post to the plugin for this if that is easier. or ideally both options if possible where we can tag which forms to track.

eg We sell products on the website but also offer services and want to track commission on the services that are offered in person.

Additional part or phase 2 for this could be the ability to manually load the transactions that user has concluded with us after referral – eg 5x Service @ XXXX, so that the commission is automatically calculated & added.