# et v1.7.3 - API Reference

## Modules

- [et](et.md): Main API of the Event Trace (ET) application
- [et_collector](et_collector.md): Collect trace events and provide a backing storage appropriate for iteration
- [et_selector](et_selector.md): Define event transforms and trace patterns
- [et_viewer](et_viewer.md): Displays a sequence chart for trace events (messages/actions)

