[UA→GA4] About this event migration guide

This guide can help you migrate your existing events from a Universal Analytics property to a Google Analytics 4 property.

Understand the data collection models

Learn how the data collection models differ between Universal Analytics and Google Analytics 4.

• Events in Google Analytics 4 vs Universal Analytics
  • Universal Analytics data collection model
  • Google Analytics 4 data collection model

Send events to both properties

Learn how to instrument a site with tags to populate Universal Analytics and Google Analytics 4 properties.

• Send events to both your UA and GA4 properties

Map events and custom dimensions

Learn how to map events and custom dimensions to Google Analytics 4.

• Map Universal Analytics events and custom dimensions to Google Analytics 4
  • Map events
  • Map custom dimensions