---
title: qualityOfService
framework: cloudkit
role: symbol
role_heading: Instance Property
path: cloudkit/ckoperation/configuration-swift.class/qualityofservice
---

# qualityOfService

The priority that the system uses when it allocates resources to the operations that use this configuration.

## Declaration

```swift
var qualityOfService: QualityOfService { get set }
```

## See Also

### Preparing a Configuration

- [allowsCellularAccess](cloudkit/ckoperation/configuration-swift.class/allowscellularaccess.md)
- [container](cloudkit/ckoperation/configuration-swift.class/container.md)
- [isLongLived](cloudkit/ckoperation/configuration-swift.class/islonglived.md)
- [timeoutIntervalForRequest](cloudkit/ckoperation/configuration-swift.class/timeoutintervalforrequest.md)
- [timeoutIntervalForResource](cloudkit/ckoperation/configuration-swift.class/timeoutintervalforresource.md)