---
title: "init(numberOfStyles:styleDataArray:)"
framework: Application Services
role: symbol
role_heading: Initializer
platforms: [Mac Catalyst 13.0+, macOS 10.9+, xcode 9.0+]
path: applicationservices/atsflatdatastylelistheader/1462628-init
---

# init(numberOfStyles:styleDataArray:)

## Declaration

```swift
init(numberOfStyles: UInt32, styleDataArray: ATSFlatDataStyleListStyleDataHeader)
```