---
title: "init(nTracks:nSizes:sizeTableOffset:trakTable:)"
framework: Core Text
role: symbol
role_heading: Initializer
path: "coretext/traktabledata/init(ntracks:nsizes:sizetableoffset:traktable:)"
---

# init(nTracks:nSizes:sizeTableOffset:trakTable:)

## Declaration

```swift
init(nTracks: UInt16, nSizes: UInt16, sizeTableOffset: UInt32, trakTable: TrakTableEntry)
```