# Period

## Adaptation Set

- **accessibility**: list of objects [Accessibility](https://docs.mediakind.com/api-reference/media-api/schemas/accessibility) (Optional)  
  - **schemeIdUri**: string (Optional)  
  - **value**: string (Optional)

- **contentType**: string (Optional)  
- **id**: string (Optional)  
- **maxFrameRate**: string (Optional)  
- **maxHeight**: string (Optional)  
- **maxWidth**: string (Optional)  
- **mimeType**: string (Optional)  
- **par**: string (Optional)  
  
- **representation**: list of objects [Representation](https://docs.mediakind.com/api-reference/media-api/schemas/representation) (Optional)

## Audio Channel Configuration

- **schemeIdUri**: string (Optional)  
- **value**: string (Optional)  
- **bandwidth**: string (Optional)  
- **codecs**: string (Optional)  
- **frameRate**: string (Optional)  
- **height**: string (Optional)  
- **id**: string (Optional)  
- **mimeType**: string (Optional)  
- **sar**: string (Optional)  
- **scanType**: string (Optional)  
- **startsWithSAP**: string (Optional)  
- **width**: string (Optional)

## Role

- **schemeIdUri**: string (Optional)  
- **value**: string (Optional)  
- **segmentAlignment**: string (Optional)

## Asset Identifier

- **schemeIdUri**: string (Optional)  
- **value**: string (Optional)  
- **id**: string (Optional)  
- **resource_type**: string (Required)  
- **start**: string (Optional)