GA4 Client ID & Session Info

What it does

Variable that reads GA4 identifiers through the native readAnalyticsStorage API. Choose Client ID, Session ID or Session Number; session data requires a Measurement ID. It is useful for attribution debugging and for preparing data for other tags. Reading depends on analytics_storage being available.

Code and configuration

The repository includes the template file. Review its documentation, configuration and permissions before adding it to your Google Tag Manager container.