---
title: "write(to:value:)"
framework: uikit
role: symbol
role_heading: Type Method
path: "uikit/uitraitbridgedenvironmentkey/write(to:value:)"
---

# write(to:value:)

## Declaration

```swift
static func write(to mutableTraits: inout any UIMutableTraits, value: Self.Value)
```