- Import event
- Modify event
- Mark event as conversion
- Create event
The correct answer is: Create event
Use Create event to trigger a new event based on conditions that you set. Custom events are events that you define. Make sure you only create custom events when no other events work for your use case. Custom events don’t show up in most standard reports so you need to set up custom reports or explorations for meaningful analysis
Read more here: https://support.google.com/analytics/answer/9322688