> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# OpenResponsesWebSearchPreviewTool - Python SDK

> OpenResponsesWebSearchPreviewTool method reference

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

Web search preview tool configuration

## Fields

| Field                 | Type                                                                                                                     | Required             | Description                                     | Example |
| --------------------- | ------------------------------------------------------------------------------------------------------------------------ | -------------------- | ----------------------------------------------- | ------- |
| `type`                | [components.OpenResponsesWebSearchPreviewToolType](/client-sdks/python/components/openresponseswebsearchpreviewtooltype) | :heavy\_check\_mark: | N/A                                             |         |
| `search_context_size` | [Optional\[components.ResponsesSearchContextSize\]](../components/responsessearchcontextsize.md)                         | :heavy\_minus\_sign: | Size of the search context for web search tools | medium  |
| `user_location`       | [OptionalNullable\[components.WebSearchPreviewToolUserLocation\]](../components/websearchpreviewtooluserlocation.md)     | :heavy\_minus\_sign: | N/A                                             |         |