---
url: >-
  https://adk.nht.io/api/@nhtio/adk/turn_runner/type-aliases/TurnObservabilityEvent.md
description: 'Valid event name keys for the {@link @nhtio/adk!TurnRunner} observability bus.'
---

# Type Alias: TurnObservabilityEvent\<K>

```ts
type TurnObservabilityEvent<K> = Key<K, TurnObservabilityEvents>;
```

Defined in: [lib/types/turn\_runner.ts:333](https://github.com/NHTIO/ADK/blob/v1.20260605.0/src/lib/types/turn_runner.ts#L333)

Valid event name keys for the [@nhtio/adk!TurnRunner](../classes/TurnRunner.md) observability bus.

## Type Parameters

| Type Parameter | Description                                                                     |
| -------------- | ------------------------------------------------------------------------------- |
| `K`            | Inferred from the key of [TurnObservabilityEvents](TurnObservabilityEvents.md). |