---
title: "init(dataType:dimensionCount:dimensionSizes:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsndarraydescriptor/init(datatype:dimensioncount:dimensionsizes:)"
---

# init(dataType:dimensionCount:dimensionSizes:)

## Declaration

```swift
convenience init(dataType: MPSDataType, dimensionCount numberOfDimensions: Int, dimensionSizes: UnsafeMutablePointer<Int>)
```