If my sites already have the Legacy UA code on them, to do the switchover
https://support.google.com/analytic...4977300598687366899-NA#zippy=,in-this-article
what exactly do I need to do within the Analytics console?
Do I need to add new code to the website or will it draw the GA4 data from the old UA code? (Reuse existing Universal Analytics tagging for your GA4 property.) How exactly do I know if I may reuse the existing tagging, or if I need to add new tagging?
https://support.google.com/analytic...4977300598687366899-NA#zippy=,in-this-article
what exactly do I need to do within the Analytics console?
Do I need to add new code to the website or will it draw the GA4 data from the old UA code? (Reuse existing Universal Analytics tagging for your GA4 property.) How exactly do I know if I may reuse the existing tagging, or if I need to add new tagging?