---
title: "init(dataType:vectorAxis:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsndarraylutquantizationdescriptor/init(datatype:vectoraxis:)"
---

# init(dataType:vectorAxis:)

## Declaration

```swift
init(dataType quantizationDataType: MPSDataType, vectorAxis: Int)
```