---
title: "Set variable states"
method: PUT
path: "/api/v0/experiments/campaigns/{campaign_id}/variable-states"
tags: ["Experiment Tracker"]
---

# Set variable states

`PUT /api/v0/experiments/campaigns/{campaign_id}/variable-states`

Replace all variable states for a campaign.

## Path parameters

- `campaign_id` string, uuid, required

## Request body

- SetVariableStatesRequest — Request body for replacing all variable states.
  - `variables` VariableStateInput[], required
    - `name` string, required
    - `unit` string, required
    - `dof_state` string, required
    - `fixed_value` number, nullable

## Response `200`

Successful Response

- VariableStateResponse[]
  - `name` string, required
  - `unit` string, required
  - `dof_state` string, required
  - `fixed_value` number, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/outerport/apis/outerport-api.md) · [All operations](https://skmtc.dev/outerport/apis/outerport-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/outerport/outerport-api/revisions/f565b46daaea/schema)