Do you have an example of the code snippet your trying to deploy?
From the information provided, I would recommend setting up a data element to capture the query parameter. I would then setup a page load rule that uses the "Data Element Value" condition. This will result in a page load rule that checks the data element value at the beginning of each page load. If the condition is met, the rule will fire.
Here's a copy of the snippet.
Unexpected token < (line: 1, col: 1)
On Mon, Sep 25, 2017 at 2:53 PM, Jantzen.Belliston <firstname.lastname@example.org
Thanks for the response. We discovered this was the issue and was able to
On Fri, Sep 29, 2017 at 8:05 AM, Jantzen.Belliston <email@example.com