---
title: "ApplyPatchCallOperationDiffDoneEvent"
---

Emitted when `operation.diff` streaming completes for an `apply_patch_call`.


## Fields

| Field                                                                                                            | Type                                                                                                             | Required                                                                                                         | Description                                                                                                      |
| ---------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| `diff`                                                                                                           | *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.ApplyPatchCallOperationDiffDoneEventType](../components/applypatchcalloperationdiffdoneeventtype.mdx) | :heavy_check_mark:                                                                                               | N/A                                                                                                              |