---
title: "CustomTool"
---

Custom tool configuration


## Fields

| Field                                                                    | Type                                                                     | Required                                                                 | Description                                                              |
| ------------------------------------------------------------------------ | ------------------------------------------------------------------------ | ------------------------------------------------------------------------ | ------------------------------------------------------------------------ |
| `description`                                                            | *Optional[str]*                                                          | :heavy_minus_sign:                                                       | N/A                                                                      |
| `format_`                                                                | [Optional[components.Format]](../components/format_.mdx)                  | :heavy_minus_sign:                                                       | N/A                                                                      |
| `name`                                                                   | *str*                                                                    | :heavy_check_mark:                                                       | N/A                                                                      |
| `type`                                                                   | [components.CustomToolTypeCustom](../components/customtooltypecustom.mdx) | :heavy_check_mark:                                                       | N/A                                                                      |