# Update Lesson Progress

**POST /api/v1/student/{studentId}/units/{studentUnitId}/progress**

Update or create progress tracking for a specific lesson. Records completion percentage, updates last accessed time, and automatically updates the unit resume point. Use this endpoint whenever a student completes a section of a lesson or finishes the entire lesson.


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



## Parameters

### Path parameters
- **studentId** (string)
  Unique identifier of the student
- **studentUnitId** (string)
  Unique identifier of the student unit enrollment


### Body: application/json (object)

- **lessonId** (string)
  Lesson ID
- **progress** (number)
  Progress percentage (0-100)
- **remarks** (string)
  Optional remarks or notes


## Responses
### 200
Lesson progress updated successfully

#### Body: application/json (object)
- **message** (string)
  Success message
- **success** (boolean)
  Success status
- **progress** (object)
  Updated progress information
- **overallProgress** (number)
  Overall unit progress percentage

### 400
Invalid progress value or lesson does not belong to unit

### 404
Student unit not found or does not belong to this student


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