# Promote a cohort to a new semester and update enrollments

**POST /api/v1/promotion/cohort**




## Servers
- Local server: http://localhost:3500 (Local server)
- Production server: https://api.echoplain.social (Production server)



## Parameters



### Body: application/json (object)

- **cohortId** (string)
  Cohort ID to promote
- **toSemesterId** (string)
  Target Semester ID


## Responses
### 200
Cohort promoted; StudentUnit enrollments and statuses updated

### 400
Default bad request error 400 response

#### Body: application/json (object)
- **message** (string)
  Response message
- **error** (string)

- **statusCode** (number)



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