Easily review existing settings. Review your GTM container's existing UA tags and GA Settings Variables. Get an easy-to-see overview of what's in each.
Create new GA4 configuration tags based on existing GA Settings variables to keep your approach consistent.
Create a parallel GA4 tag for each UA tag, leaving your existing UA tag and analytics reporting untouched.
Leverage intelligent mapping logic. Within each tag, do a line-by-line mapping of UA customizations into GA4, powered by suggestions to help you get it right.
Track and document your work. Compare as you go, to see what's been done (and how) and what still needs attention