When you link Marketing Cloud Engagement with Google Analytics 4, the GA4 audiences are available to every business unit that has the same enterprise ID (EID). You can choose which business units are able to access these audiences.
- From Contact Builder, go to the Data Sources tab.
- On the Google Analytics 4 Audiences tile, click View.
- To enable sharing with other business units, turn on sharing for the audience that you want to share.
- Click Shared.
- To share an audience, select the business units to share with.
- Click Done.