---
title: "Changes to PUT /v1/projects/{projectOrProductUID}/fleets/{fleetUID}/environment_variables"
method: PUT
path: "/v1/projects/{projectOrProductUID}/fleets/{fleetUID}/environment_variables"
---

# Changes to PUT /v1/projects/{projectOrProductUID}/fleets/{fleetUID}/environment_variables

`PUT /v1/projects/{projectOrProductUID}/fleets/{fleetUID}/environment_variables`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 79 revisions.

- **2026-07-30** `1887e880199a`: 2 breaking, 8 info
- **2026-07-30** `7ef24c5e23de`: 1 info
- **2025-12-03** `dd27792a21c0`: 1 info

## Changes

- **2026-07-30** `1887e880199a`: 2 breaking, 8 info
  - the response's body type changed from no type to `object` for status `200`
  - the response's body type changed from no type to `object` for status `default`
  - added the optional property `debug` to the response with the `default` status
  - added the optional property `details` to the response with the `default` status
  - added the optional property `environment_variable_notes` to the response with the `200` status
  - added the optional property `request` to the response with the `default` status
  - added the required property `code` to the response with the `default` status
  - added the required property `environment_variables` to the response with the `200` status
  - added the required property `err` to the response with the `default` status
  - added the required property `status` to the response with the `default` status
- **2026-07-30** `7ef24c5e23de`: 1 info
  - added the new optional request property `environment_variable_notes`
- **2025-12-03** `dd27792a21c0`: 1 info
  - api operation id `AddFleetEnvironmentVariables` removed and replaced with `SetFleetEnvironmentVariables`

---

[Operation](https://skmtc.dev/notefile/apis/notehub-api/docs/v1/projects/:projectOrProductUID/fleets/:fleetUID/environment_variables/put.md) - [API](https://skmtc.dev/notefile/apis/notehub-api.md) - [Page](https://skmtc.dev/notefile/apis/notehub-api/changes/v1/projects/:projectOrProductUID/fleets/:fleetUID/environment_variables/put)