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# ChatStreamToolCallFunction - Python SDK

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

Function call details

## Fields

| Field       | Type             | Required             | Description                       | Example               |
| ----------- | ---------------- | -------------------- | --------------------------------- | --------------------- |
| `arguments` | *Optional\[str]* | :heavy\_minus\_sign: | Function arguments as JSON string | `{"location": "..."}` |
| `name`      | *Optional\[str]* | :heavy\_minus\_sign: | Function name                     | get\_weather          |