---
title: "init(preferredDuration:)"
framework: uikit
role: symbol
role_heading: Initializer
path: "uikit/uipagecontroltimerprogress/init(preferredduration:)"
---

# init(preferredDuration:)

Creates a time interval progress with a specified preferred duration.

## Declaration

```swift
init(preferredDuration: TimeInterval)
```