---
title: "Changes to Update child folder from user"
method: PATCH
path: "/users/{userIdentifier}/mailFolders/{mailFolderId}/childFolders/{mailFolderId1}"
---

# Changes to Update child folder from user

`PATCH /users/{userIdentifier}/mailFolders/{mailFolderId}/childFolders/{mailFolderId1}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 10 revisions.

- **2026-07-17** `af62694b9f2d` — 2 info
- **2026-06-18** `990ed583c385` — 1 info
- **2026-05-26** `c6fc1d98f528` — 1 breaking

## Changes

- **2026-07-17** `af62694b9f2d` — 2 info
  - added the new optional request property `allOf[subschema #2: mailFolder]/messages/items/allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/contentBytes`
  - added the optional property `allOf[subschema #2: mailFolder]/messages/items/allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/contentBytes` to the response with the `2XX` status
- **2026-06-18** `990ed583c385` — 1 info
  - endpoint added
- **2026-05-26** `c6fc1d98f528` — 1 breaking
  - api path removed without deprecation

---

[Operation](https://skmtc.dev/ballerina-platform/apis/microsoft-graph-mail-api/docs/users/:userIdentifier/mailFolders/:mailFolderId/childFolders/:mailFolderId1/patch.md) · [API](https://skmtc.dev/ballerina-platform/apis/microsoft-graph-mail-api.md) · [Page](https://skmtc.dev/ballerina-platform/apis/microsoft-graph-mail-api/changes/users/:userIdentifier/mailFolders/:mailFolderId/childFolders/:mailFolderId1/patch)