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Automatically collected cuba b2b leads events. These are events that Google always tracks, such as engagement session data (more on that later) or the first time a new user visits your site. You cannot turn these features off.
Enhanced measurement events. These are out-of-the-box events that Google can set up for you, but you must choose to enable them. They include external link clicks, file downloads, video plays, and scrolling activities, among others. In the past, you had to set up these events in Tag Manager, but they are now accessible in GA4.
You can turn enhanced measurement events on or off in your administrator profile under Data Flow Settings.
google-analytics-4-method-setup data flow-6
However, sometimes it's best to set up enhanced measurement events as custom events. For example:
The "scroll activity" event is fired when the user scrolls 90% of the page. If you want the event to fire at a different percentage, you'll need to create your own custom scroll event.
If you want to track video playback from another hosting platform, such as Vimeo, you'll need a custom event. Enhanced measurement only covers YouTube videos.
If you set up custom events that overlap with Enhanced Measurement, it's a good idea to turn off Enhanced Measurement. Otherwise, your data may be skewed by counting the same event twice.
Custom events in GA4