> ## 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.

# ChatStreamToolCallFunction - Go SDK

> ChatStreamToolCallFunction type definition

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

Function call details

## Fields

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