---
title: "init(_:value:)"
framework: uikit
role: symbol
role_heading: Initializer
path: "uikit/uitraitcollection/init(_:value:)-8k1t1"
---

# init(_:value:)

## Declaration

```swift
convenience init<T>(_ trait: T.Type, value: T.Value) where T : UITraitDefinition, T.Value == CGFloat?
```