https://community.klaviyo.com/marketing-30/track-signup-popup-views-and-actions-5973?postid=21552
Track Signup/Popup Views and Actions | Klaviyo Community
Currently, Klaviyo allows only Popup $source tracking of Signup Forms with Submissions, but I have Popups that are simple clicks to upgrade, promotions,...
track signuppopupviewsactionsklaviyo