---
url: 'https://adk.nht.io/api/@nhtio/adk/turn_runner/interfaces/TurnStartEvent.md'
description: Payload emitted when a turn begins.
---

# Interface: TurnStartEvent

Defined in: [lib/types/turn\_runner.ts:108](https://github.com/NHTIO/ADK/blob/v1.20260605.0/src/lib/types/turn_runner.ts#L108)

Payload emitted when a turn begins.

## Properties

| Property                                    | Type       | Description                             | Defined in                                                                                                        |
| ------------------------------------------- | ---------- | --------------------------------------- | ----------------------------------------------------------------------------------------------------------------- |
|  `startedAt` | `DateTime` | When the turn started.                  | [lib/types/turn\_runner.ts:112](https://github.com/NHTIO/ADK/blob/v1.20260605.0/src/lib/types/turn_runner.ts#L112) |
|  `turnId`       | `string`   | The unique ID of the turn that started. | [lib/types/turn\_runner.ts:110](https://github.com/NHTIO/ADK/blob/v1.20260605.0/src/lib/types/turn_runner.ts#L110) |