# Get preview background file

**GET /pictures/preview-background-files/{instance_id}.{extension}**

Download a preview background file.


## Servers
- http://api.example.com: http://api.example.com ()


## Authentication methods
- Jwt authorization


## Parameters

### Path parameters
- **instance_id** (string(uuid))
  Preview background file unique identifier
- **extension** (string)
  File extension



## Responses
### 200
Preview background file downloaded

#### Body: image/vnd.radiance (string(binary))
string(binary)

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