---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/sandbox/type-aliases/SandboxEpochIsLive.md
description: The capability needed to decide whether a sandbox handle is still alive.
---

# Type Alias: SandboxEpochIsLive

```ts
type SandboxEpochIsLive = (epoch: SandboxEpoch) => boolean;
```

Defined in: [src/batteries/sandbox/media\_reader.ts:8](https://github.com/NHTIO/ADK/blob/v1.20260824.1/src/src/batteries/sandbox/media_reader.ts#L8)

The capability needed to decide whether a sandbox handle is still alive.

## Parameters

| Parameter | Type                                         |
| --------- | -------------------------------------------- |
| `epoch`   | [`SandboxEpoch`](../classes/SandboxEpoch.md) |

## Returns

`boolean`