---
title: "CustomToolCallInputDoneEvent"
---

Event emitted when a custom tool call's freeform input streaming is complete. Mirrors `response.function_call_arguments.done` but for `custom` tools.


## Fields

| Field                                                                                            | Type                                                                                             | Required                                                                                         | Description                                                                                      |
| ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------ |
| `input`                                                                                          | *str*                                                                                            | :heavy_check_mark:                                                                               | N/A                                                                                              |
| `item_id`                                                                                        | *str*                                                                                            | :heavy_check_mark:                                                                               | N/A                                                                                              |
| `output_index`                                                                                   | *int*                                                                                            | :heavy_check_mark:                                                                               | N/A                                                                                              |
| `sequence_number`                                                                                | *int*                                                                                            | :heavy_check_mark:                                                                               | N/A                                                                                              |
| `type`                                                                                           | [components.CustomToolCallInputDoneEventType](../components/customtoolcallinputdoneeventtype.mdx) | :heavy_check_mark:                                                                               | N/A                                                                                              |