---
title: "ApplyPatchUpdateFileOperation"
---

The `update_file` variant of an `apply_patch_call.operation`. Carries a V4A diff describing edits to an existing file.


## Fields

| Field                                                                                              | Type                                                                                               | Required                                                                                           | Description                                                                                        |
| -------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- |
| `diff`                                                                                             | *str*                                                                                              | :heavy_check_mark:                                                                                 | N/A                                                                                                |
| `path`                                                                                             | *str*                                                                                              | :heavy_check_mark:                                                                                 | N/A                                                                                                |
| `type`                                                                                             | [components.ApplyPatchUpdateFileOperationType](../components/applypatchupdatefileoperationtype.mdx) | :heavy_check_mark:                                                                                 | N/A                                                                                                |