---
title: "init(flags:preferredHeapSize:minimumHeapSize:)"
framework: Application Services
role: symbol
role_heading: Initializer
platforms: [macOS 10.9+, xcode 9.0+]
path: applicationservices/sizeresourcerec/1458780-init
---

# init(flags:preferredHeapSize:minimumHeapSize:)

## Declaration

```swift
init(flags: UInt16, preferredHeapSize: UInt32, minimumHeapSize: UInt32)
```