We have a set of pages being tracked with events in our site. So if the customer lands in step-1 we fire an event. The problem is if the customer goes back from step-2 to step-1 we fire the event again. To avoid this, I tried to create an extension that looks at the pagename and previous page name setting a new value in a variable if the previous page name doesn't equal step-2 or step-1. I cannot make it to work. Every time I try to use previos page name value in the extension my variable gets undefined. I looked and we have ct.s_ppn value BLR so not sure why isn't working. I also tried to use the mapping we have with adobe (use prop value instead of previous_page_name variable), changing when the tag should load, changing tag scope... Does anyone knows why I'm unable to make it work? or knows how to use PPN as a condition for a set value data extension? Thanks, J
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