> ## 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.

# OpenAIResponsesToolChoice

## Fields

| Field  | Type                                      | Required             | Description |
| ------ | ----------------------------------------- | -------------------- | ----------- |
| `type` | [components.Type](../components/type.mdx) | :heavy\_check\_mark: | N/A         |