---
title: Value
framework: swiftui
role: symbol
role_heading: Associated Type
path: swiftui/layoutvaluekey/value
---

# Value

The type of the key’s value.

## Declaration

```swift
associatedtype Value
```

## Discussion

Discussion Swift typically infers this type from your implementation of the defaultValue property, so you don’t have to define it explicitly.

## See Also

### Providing a default value

- [defaultValue](swiftui/layoutvaluekey/defaultvalue.md)