---
url: 'https://adk.nht.io/api/@nhtio/adk/guards/functions/isSpooledJsonArtifact.md'
---

# Function: isSpooledJsonArtifact()

```ts
function isSpooledJsonArtifact(
  value: unknown,
): value is SpooledJsonArtifact<unknown>;
```

Defined in: [guards.ts:98](https://github.com/NHTIO/ADK/blob/v1.20260605.0/src/guards.ts#L98)

Returns `true` if `value` is a [@nhtio/adk!SpooledJsonArtifact](../../spooled_artifact/classes/SpooledJsonArtifact.md) instance.

## Parameters

| Parameter | Type      |
| --------- | --------- |
| `value`   | `unknown` |

## Returns

`value is SpooledJsonArtifact<unknown>`