---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/sandbox/type-aliases/SandboxNarrator.md
description: >-
  Model-facing narration seam; implementations must be total over {@link
  SandboxOutcome}.
---

# Type Alias: SandboxNarrator

```ts
type SandboxNarrator = (outcome: SandboxOutcome) => string;
```

Defined in: [src/batteries/sandbox/narrator.ts:35](https://github.com/NHTIO/ADK/blob/v1.20260824.1/src/src/batteries/sandbox/narrator.ts#L35)

Model-facing narration seam; implementations must be total over [SandboxOutcome](SandboxOutcome.md).

## Parameters

| Parameter | Type                                  |
| --------- | ------------------------------------- |
| `outcome` | [`SandboxOutcome`](SandboxOutcome.md) |

## Returns

`string`