> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-5b6e02fd.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ChatToolCall - Python SDK

> ChatToolCall method reference

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

Tool call made by the assistant

## Fields

| Field      | Type                                                                                                 | Required             | Description          |
| ---------- | ---------------------------------------------------------------------------------------------------- | -------------------- | -------------------- |
| `function` | [components.ChatToolCallFunction](/client-sdks/python/api-reference/components/chattoolcallfunction) | :heavy\_check\_mark: | N/A                  |
| `id`       | *str*                                                                                                | :heavy\_check\_mark: | Tool call identifier |
| `type`     | [components.ChatToolCallType](/client-sdks/python/api-reference/components/chattoolcalltype)         | :heavy\_check\_mark: | N/A                  |