---
title: "OpenAIResponseCustomToolCall"
---

## Fields

| Field                                                                                            | Type                                                                                             | Required                                                                                         | Description                                                                                      |
| ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------ |
| `call_id`                                                                                        | *str*                                                                                            | :heavy_check_mark:                                                                               | N/A                                                                                              |
| `id`                                                                                             | *Optional[str]*                                                                                  | :heavy_minus_sign:                                                                               | N/A                                                                                              |
| `input`                                                                                          | *str*                                                                                            | :heavy_check_mark:                                                                               | N/A                                                                                              |
| `name`                                                                                           | *str*                                                                                            | :heavy_check_mark:                                                                               | N/A                                                                                              |
| `namespace`                                                                                      | *Optional[str]*                                                                                  | :heavy_minus_sign:                                                                               | Namespace qualifier for tools registered as part of a namespace tool group (e.g. an MCP server)  |
| `type`                                                                                           | [components.OpenAIResponseCustomToolCallType](../components/openairesponsecustomtoolcalltype.mdx) | :heavy_check_mark:                                                                               | N/A                                                                                              |