> ## 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.

# ChatToolCallFunction - Go SDK

> ChatToolCallFunction type definition

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

## Fields

| Field       | Type     | Required             | Description                       |
| ----------- | -------- | -------------------- | --------------------------------- |
| `Arguments` | `string` | :heavy\_check\_mark: | Function arguments as JSON string |
| `Name`      | `string` | :heavy\_check\_mark: | Function name to call             |