Use to capture data that GA4 doesn't track automatically. This provides the "meat" for an interesting report:
An effective report balances high-level executive summaries with granular behavioral insights. 1. Identify "Value-Driven" Event Insights Practical Google Analytics and Google Tag Manag...
To put together an interesting report using and Google Tag Manager (GTM) , focus on moving beyond standard page views toward tracking high-value user behaviors that directly impact business goals. Use to capture data that GA4 doesn't track automatically