# MIDI_BACKEND_EVENTS

`import { MIDI_BACKEND_EVENTS } from "destack:device/binding";`

Backend can report topology events.

```ds title="MIDI_BACKEND_EVENTS"
const MIDI_BACKEND_EVENTS: MidiBackendFlags
```

[language/library/src/device/binding/midi.ds:72](https://github.com/destack-sh/destack/blob/main/language/library/src/device/binding/midi.ds#L72)