The below example would help:Imagine a evar with settings as : Expire
After: Visit, Allocation: Most recentNow in tag management/page source
code, it is coded as evar1= "xyz" on Home page and that's it! (keeping
it simple)Here is user journey in a visit for may be e-commerce site,
visited Home Page-->> Offers Page -->> CheckOut Page--> Cart Page.Now
over here, evar 1 for Home Page would be "xyz" and post_evar1 would also
be "xyz" (The coded value)Next page, offers page , evar1= "" (no value
was ...