Deeplink for salespeople

I have created a form of for potential customers to fill in to express interest. I have a number of sales people.

In the form I have a field/column (createdBy) which normally is filled in special value = “App’s user email” as normally the sales people will be filling this in.

How can I created a form that sales people can send out to potential customers or advertise on social media but the leads are tracked to the sales person ?

I think you can use the technique that is described in the below (or a variation of it):


Thanks… looks very interesting and yes, I think this will work