---
title: noQoS
framework: dispatch
role: symbol
role_heading: Type Property
path: dispatch/dispatchworkitemflags/noqos
---

# noQoS

Execute the work item without assigning a quality-of-service class.

## Declaration

```swift
static let noQoS: DispatchWorkItemFlags
```

## Discussion

Discussion This flag takes priority over the assignCurrentContext flag.

## See Also

### Work Item Flags

- [assignCurrentContext](dispatch/dispatchworkitemflags/assigncurrentcontext.md)
- [barrier](dispatch/dispatchworkitemflags/barrier.md)
- [detached](dispatch/dispatchworkitemflags/detached.md)
- [enforceQoS](dispatch/dispatchworkitemflags/enforceqos.md)
- [inheritQoS](dispatch/dispatchworkitemflags/inheritqos.md)