---
title: "PUT /cohort-definition"
method: PUT
path: "/cohort-definition"
---

# PUT /cohort-definition

`PUT /cohort-definition`

Updates a cohort definition

## Request body

- object
  - `datasetId` string, required — Id of dataset
  - `cohortDefinitionId` number, required — Cohort Definition Id
  - `name` string — Cohort Definition Name
  - `description` string — Cohort Definition Description
  - `definitionTypeConceptId` number — Cohort Definition Definition Type Concept Id
  - `syntax` string — Cohort Definition Syntax
  - `subjectConceptId` number — Cohort Definition Subject Concept Id

## Response `200`

Success

- string

## Other responses

- `default` — Error

---

[API](https://skmtc.net/ohdsi/apis/health-for-clinical-research.md) · [All operations](https://skmtc.net/ohdsi/apis/health-for-clinical-research/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ohdsi/health-for-clinical-research/revisions/e451f31df7de/schema)