# Get materials by file type within a unit

**GET /api/v1/materials/unit/{unitOfferingId}/type/{filetype}**

Filter and retrieve materials by file type within a specific unit offering.
        
**Supported File Types:**
- **Documents:** pdf, doc, docx, ppt, pptx, txt, odt, rtf, xls, xlsx, csv
- **Images:** jpg, jpeg, png, gif, bmp, tiff, svg, webp
- **Videos:** mp4, webm, avi, mov, wmv, flv, mkv
- **Audio:** mp3, wav, ogg, flac, aac, m4a
- **Archives:** zip, rar, 7z, tar, gz
- **Code:** html, css, js, py, java, cpp, c, php, json, xml
- **Other:** Most standard file types are supported

**Note:** Only non-executable and safe file types are allowed

**Use Cases:**
- Filter materials by type (e.g., only videos)
- Download all PDFs from a course
- Media gallery creation
- File type analytics


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



## Parameters

### Path parameters
- **unitOfferingId** (string)
  UUID of the unit offering
- **filetype** (string)
  File type to filter by (case insensitive)



## Responses
### 200
Materials filtered by file type successfully

#### Body: application/json (object)
- **unitOffering** (object)

- **filetype** (string)

- **materials** (array[object])

- **totalMaterials** (number)


### 400
Default bad request error 400 response

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

- **statusCode** (number)



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