---
title: qualityOfService
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/process/qualityofservice
---

# qualityOfService

The default quality of service level the system applies to operations the task executes.

## Declaration

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

## See Also

### Configuring a process

- [arguments](foundation/process/arguments.md)
- [currentDirectoryURL](foundation/process/currentdirectoryurl.md)
- [environment](foundation/process/environment.md)
- [executableURL](foundation/process/executableurl.md)
- [standardError](foundation/process/standarderror.md)
- [standardInput](foundation/process/standardinput.md)
- [standardOutput](foundation/process/standardoutput.md)