---
title: "init(numberOfHistogramEntries:histogramForAlpha:minPixelValue:maxPixelValue:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsimagehistograminfo/init(numberofhistogramentries:histogramforalpha:minpixelvalue:maxpixelvalue:)"
---

# init(numberOfHistogramEntries:histogramForAlpha:minPixelValue:maxPixelValue:)

## Declaration

```swift
init(numberOfHistogramEntries: Int, histogramForAlpha: ObjCBool, minPixelValue: vector_float4, maxPixelValue: vector_float4)
```