---
title: "ChatStreamToolCallFunction"
---

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                       |