How To: Updating Lead Source fields from a Form Submission.

So all in all, this is a simple process.

You'll need to create a form update Rule then you'll create two processing steps on your form.

First the Form update Rule.

go to Audience > Tools > Form update Rules.

Hit New to create a New one. We'll call ours "copy LS- MR to LS-O"

It's going to operate on the Entity type Contacts and the Data field is Email Address

Now we just create one rule as below:

This copies the value from Lead Source - Most recent Into Lead Source Original. That's all it does.

Now the processing steps.

Obviously we want to Update our Contact table, so we add the