> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# AllowedToolsUnion - TypeScript SDK

> AllowedToolsUnion type definition

<Warning>
  The TypeScript SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/typescript-sdk/issues).
</Warning>

## Supported Types

### `string[]`

```typescript lines theme={null}
const value: string[] = [
  "<value 1>",
  "<value 2>",
];
```

### `models.AllowedTools`

```typescript lines theme={null}
const value: models.AllowedTools = {};
```

### `any`

```typescript lines theme={null}
const value: any = "<value>";
```