Community

There are a number of ways that this can be completed but we highly recommend the following approach:

1. By enabling the Lytics GA4 integration, Lytics will automatically pass both the audiences the current visitor is a member of as well as their unique _uid to GA4 as a custom property / dimension. This enables you to customize reporting based on audience membership and other Lytics specific attributes.
2. Since GA4 can be synced to BigQuery we recommend doing so. From there you can leverage Cloud Connect to query all or a subset of your GA4 events to be associated with your user profiles. In general we see the most success when using [Google's recommended approach for setting a first-party user id'(https://developers.google.com/analytics/devguides/collection/ga4/user-id?client_type=gtag).