---
title: "init(label:qos:attributes:autoreleaseFrequency:target:)"
framework: dispatch
role: symbol
role_heading: Initializer
path: "dispatch/dispatchserialqueue/init(label:qos:attributes:autoreleasefrequency:target:)"
---

# init(label:qos:attributes:autoreleaseFrequency:target:)

## Declaration

```swift
convenience init(label: String, qos: DispatchQoS = .unspecified, attributes: DispatchSerialQueue.Attributes = [], autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency = .workItem, target: DispatchQueue? = nil)
```