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# completionCurve

Returns the completion curve associated with the transition.

```
var completionCurve: UIView.AnimationCurve { get }
```

## Return Value

The completion curve for the view controller transition. For a list of possible values, see the [`UIView.AnimationCurve`](/documentation/UIKit/UIView/AnimationCurve) type.

## Discussion

The completion curve defines the timing of the animations. For interactive transitions, this value is usually obtained from the [`completionCurve`](/documentation/UIKit/UIViewControllerInteractiveTransitioning/completionCurve) property of the interactive animator object. Use this value when configuring your own animations if you want the same timing as the main transition.

---

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