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

# PUT /cohort-definition

`PUT /cohort-definition`

## Request

- Base URL: `/analytics-svc/api/services/` (relative, and the document was published on a file host, not at the API’s origin)
- URL: `/analytics-svc/api/services/cohort-definition`
- Auth: none declared

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.dev/ohdsi/apis/health-for-clinical-research.md) - [All operations](https://skmtc.dev/ohdsi/apis/health-for-clinical-research/llms.txt) - [OpenAPI document](https://skmtc.dev/ohdsi/apis/health-for-clinical-research/revisions/5655f01517bc?raw)