---
title: "Changes to PUT /tasks/{taskId}/subtasks/{subTaskId}/attachments/{attachmentId}"
method: PUT
path: "/tasks/{taskId}/subtasks/{subTaskId}/attachments/{attachmentId}"
---

# Changes to PUT /tasks/{taskId}/subtasks/{subTaskId}/attachments/{attachmentId}

`PUT /tasks/{taskId}/subtasks/{subTaskId}/attachments/{attachmentId}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 10 revisions.

- **2026-08-08** `237f5bbd4029` — 2 breaking, 1 info

## Changes

- **2026-08-08** `237f5bbd4029` — 2 breaking, 1 info
  - the `data` response's property type/format changed from `object`/`` to ``/`` for status `200`
  - the `errors` response's property type/format changed from `object`/`` to ``/`` for status `200`
  - added the new optional request property `chatAttachment`

---

[Operation](https://skmtc.dev/astravue/apis/astravue-api/docs/tasks/:taskId/subtasks/:subTaskId/attachments/:attachmentId/put.md) · [API](https://skmtc.dev/astravue/apis/astravue-api.md) · [Page](https://skmtc.dev/astravue/apis/astravue-api/changes/tasks/:taskId/subtasks/:subTaskId/attachments/:attachmentId/put)