> ## 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.

# OpenAIResponsesToolChoiceUnion

## Supported Types

### `components.OpenAIResponsesToolChoiceAuto`

```python theme={null}
value: components.OpenAIResponsesToolChoiceAuto = /* values here */
```

### `components.OpenAIResponsesToolChoiceNone`

```python theme={null}
value: components.OpenAIResponsesToolChoiceNone = /* values here */
```

### `components.OpenAIResponsesToolChoiceRequired`

```python theme={null}
value: components.OpenAIResponsesToolChoiceRequired = /* values here */
```

### `components.OpenAIResponsesToolChoiceFunction`

```python theme={null}
value: components.OpenAIResponsesToolChoiceFunction = /* values here */
```

### `components.OpenAIResponsesToolChoice`

```python theme={null}
value: components.OpenAIResponsesToolChoice = /* values here */
```

### `components.ToolChoiceAllowed`

```python theme={null}
value: components.ToolChoiceAllowed = /* values here */
```

### `components.OpenAIResponsesToolChoiceApplyPatch`

```python theme={null}
value: components.OpenAIResponsesToolChoiceApplyPatch = /* values here */
```

### `components.OpenAIResponsesToolChoiceShell`

```python theme={null}
value: components.OpenAIResponsesToolChoiceShell = /* values here */
```