---
title: value
framework: swiftui
role: symbol
role_heading: Instance Property
path: swiftui/scrolltransitionphase/value
---

# value

A phase-derived value that can be used to scale or otherwise modify effects.

## Declaration

```swift
var value: Double { get }
```

## Discussion

Discussion Returns -1.0 when in the topLeading phase, zero when in the identity phase, and 1.0 when in the bottomTrailing phase.

## See Also

### Accessing the phase state

- [isIdentity](swiftui/scrolltransitionphase/isidentity.md)