# isToolResultOutcome

```ts
function isToolResultOutcome(value): value is ToolResultOutcome;
```

Defined in: [packages/ai/src/utilities/tool-result.ts:11](https://github.com/TanStack/ai/blob/main/packages/ai/src/utilities/tool-result.ts#L11)

## Parameters

### value

`unknown`

## Returns

`value is ToolResultOutcome`