---
title: "Save preserved variables CNF content"
method: POST
path: "/api/clusters/{clusterName}/settings/actions/save-preserved-variables-cnf"
tags: ["ClusterSettings"]
---

# Save preserved variables CNF content

`POST /api/clusters/{clusterName}/settings/actions/save-preserved-variables-cnf`

## Request

- The document declares no server URL.
- Auth: none declared. Required headers: `Authorization`

This endpoint saves the updated content to the preserved_variables.cnf file in the cluster's working directory

## Path parameters

- `clusterName` string, required

## Headers

- `Authorization` string, required

## Request body

- ServerPreservedVarsCnfRequest
  - `content` string

## Response `200`

Successfully saved preserved variables CNF

- string

## Other responses

- `400`: Invalid request body
- `403`: No valid ACL
- `500`: Error saving file

## Changes

- **2026-07-17** `7465ea0ee21a`: 1 info
  - endpoint added
- **2023-03-31** `b57fc7b9446e`: 1 breaking
  - api path removed without deprecation

[Operation history](https://skmtc.dev/signal18/apis/signal-18-dashboard-api/changes/api/clusters/:clusterName/settings/actions/save-preserved-variables-cnf/post.md)

---

[API](https://skmtc.dev/signal18/apis/signal-18-dashboard-api.md) - [All operations](https://skmtc.dev/signal18/apis/signal-18-dashboard-api/llms.txt) - [OpenAPI document](https://skmtc.dev/signal18/apis/signal-18-dashboard-api/revisions/8ee8a1e31294?raw)