---
title: "Execute variable extractor on check response"
method: POST
path: "/design/variables/exec-on-check/{projectId}/{virtualUserId}/{requestId}/{timestamp}"
tags: ["Design - Variables"]
---

# Execute variable extractor on check response

`POST /design/variables/exec-on-check/{projectId}/{virtualUserId}/{requestId}/{timestamp}`

## Path parameters

- `projectId` string, required
- `virtualUserId` string, required
- `requestId` string, required
- `timestamp` integer, required

## Request body

- KeyValueVariableExtractorMapStringString
  - `key` VariableExtractor
    - `defaultValue` string
    - `matchGroup` integer
    - `name` string
    - `enabled` boolean
    - `id` string
  - `value` object

## Response `200`

OK

## Other responses

- `400` — Bad Request
- `403` — Forbidden
- `404` — Not Found
- `409` — Conflict
- `429` — Too Many Requests

## Changes

- **2026-09-26** `65e661618b8f` — 1 info
  - api operation id `j` removed and replaced with `H_3`
- **2026-09-15** `4da8c9536717` — 1 info
  - api operation id `i` removed and replaced with `j`
- **2026-09-15** `e2458537595b` — 1 info
  - api operation id `W_1` removed and replaced with `i`
- **2026-09-11** `2e438cb3181d` — 1 info
  - api operation id `j_1` removed and replaced with `W_1`
- **2026-09-07** `50527361f800` — 1 info
  - api operation id `M` removed and replaced with `j_1`

[Full history](https://skmtc.dev/octoperf/apis/octoperf-api/changes/design/variables/exec-on-check/:projectId/:virtualUserId/:requestId/:timestamp/post.md)

---

[API](https://skmtc.dev/octoperf/apis/octoperf-api.md) · [All operations](https://skmtc.dev/octoperf/apis/octoperf-api/llms.txt) · [OpenAPI document](https://skmtc.dev/octoperf/apis/octoperf-api/revisions/65e661618b8f?raw)