This article is about Google Analytics 4 properties. If you're using a Universal Analytics property, refer to the Universal Analytics section of this help center.

[GA4] About events

Events are triggered as users interact with your site or app
This article pertains to events in Google Analytics 4 properties; if you are using Universal Analytics, read this article instead.

The data you see in your Google Analytics 4 reports comes from events that are triggered as users interact with your website and/or app. For example, a page_view event is triggered each time a user views a page on your website.

Many events (including page_view) can be collected without you adding code. These events may be sufficient for your needs.

  • Automatically collected events are collected automatically with basic data collection.
  • Enhanced measurement events are collected automatically if you have enabled enhanced measurement. You can enable/disable the collection of individual enhanced measurement events via the Admin page within your Google Analytics 4 property.

However, if you have more advanced data collection needs, you can add code to collect additional events (or create them via the user interface).

  • Custom events are events that you name and implement yourself. Before implementing a custom event, check that there is not an automatic, enhanced measurement, or recommended event that already provides what you need. Learn how to implement custom events for web and app.
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