Adobe Exam AD0-E200 Topic 1 Question 3 Discussion

A visitor interacted with your website on 3 visiting the same device and web browser. The source query string parameter is captured into eVar5.

Visit#1.

The visitor can to the website by clicking on Facebook ad with the query string parameter source=xyz123 set in the URL During this visit they added a quantity of one of product SKU#123ABC with a cost of $99.99 to their can filled out a contact from on the site that resulted in success event1 being set.

Visit#2

The visitor returned to the website by clicking a link containing source=567 they received In their email. During this visits they added two products of sk#555AAA with an individual cost of $50.00 to their shopping cart.

Visit #3

They retirement to the website by typing the URL of the website homepage directly into the address bar can completed the purchase for both items.

What is the correct syntax of the s.products string upon purchase