- Custom events
- Recommended events
- Goals
- Conversion events
The correct answer is: Conversion events
Conversions are user activities that contribute to the success of your business. A conversion event signals a user action that you consider important, such as a purchase, game level completion, or website or app scroll activity. Conversions are user activities that contribute to the success of a business. In Google Analytics, measure those activities using conversion events.
Read more here: https://support.google.com/analytics/answer/9355848
