---
title: TransitionPhase.willAppear
framework: swiftui
role: symbol
role_heading: Case
path: swiftui/transitionphase/willappear
---

# TransitionPhase.willAppear

The transition is being applied to a view that is about to be inserted into the view hierarchy.

## Declaration

```swift
case willAppear
```

## Discussion

Discussion In this phase, a transition should show the appearance that will be animated from to make the appearance transition.

## See Also

### Getting the phase

- [TransitionPhase.identity](swiftui/transitionphase/identity.md)
- [TransitionPhase.didDisappear](swiftui/transitionphase/diddisappear.md)