> ## 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.

# ChatMessageToolCall - Python SDK

> ChatMessageToolCall method reference

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

## Fields

| Field      | Type                                                                                                 | Required             | Description |
| ---------- | ---------------------------------------------------------------------------------------------------- | -------------------- | ----------- |
| `id`       | *str*                                                                                                | :heavy\_check\_mark: | N/A         |
| `type`     | *Literal\["function"]*                                                                               | :heavy\_check\_mark: | N/A         |
| `function` | [components.ChatMessageToolCallFunction](/client-sdks/python/components/chatmessagetoolcallfunction) | :heavy\_check\_mark: | N/A         |