# Create a new lesson in topic

**POST /api/v1/unit-instance/{unit}/{topic}/new-lesson**

Add a new lesson to a specific topic within the unit. Lessons are the primary learning content units. Only admins and lecturers can create lessons.


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



## Parameters

### Path parameters
- **unit** (string)
  UUID of the unit instance (unit offering)
- **topic** (string)
  UUID of the topic to add lesson to


### Body: application/json (object)
Lesson data including title, description, content, and materials
- **title** (string)

- **description** (string)



## Responses
### 201
Lesson created successfully

### 400
Invalid lesson data

### 403
Forbidden - Admin or Lecturer role required

### 404
Topic not found


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