---
title: "AdditionalToolsItemToolFunction"
---

Function tool definition


## Fields

| Field                                                                                          | Type                                                                                           | Required                                                                                       | Description                                                                                    |
| ---------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- |
| `description`                                                                                  | *OptionalNullable[str]*                                                                        | :heavy_minus_sign:                                                                             | N/A                                                                                            |
| `name`                                                                                         | *str*                                                                                          | :heavy_check_mark:                                                                             | N/A                                                                                            |
| `parameters`                                                                                   | Dict[str, *Nullable[Any]*]                                                                     | :heavy_check_mark:                                                                             | N/A                                                                                            |
| `strict`                                                                                       | *OptionalNullable[bool]*                                                                       | :heavy_minus_sign:                                                                             | N/A                                                                                            |
| `type`                                                                                         | [components.AdditionalToolsItemTypeFunction](../components/additionaltoolsitemtypefunction.mdx) | :heavy_check_mark:                                                                             | N/A                                                                                            |