---
title: "PUT /cohort_definition/{id}"
method: PUT
path: "/cohort_definition/{id}"
tags: ["cohort_definitionController"]
---

# PUT /cohort_definition/{id}

`PUT /cohort_definition/{id}`

## Path parameters

- `id` object, required

## Request body

- CohortDefinition
  - `cohort_definition_id` number
  - `cohort_definition_name` string
  - `cohort_definition_description` string
  - `definition_type_concept_id` number
  - `cohort_definition_syntax` string
  - `subject_concept_id` number
  - `cohort_initiation_date` string, date-time

## Response `204`

cohort_definition was updated

---

[API](https://skmtc.net/ohdsi/apis/data-connection.md) · [All operations](https://skmtc.net/ohdsi/apis/data-connection/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ohdsi/data-connection/versions/b5ead99a1d44/schema)