---
title: "ResponsesRequestToolFunction"
---

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.ResponsesRequestType](../components/responsesrequesttype.mdx) | :heavy_check_mark:                                                       | N/A                                                                      |