---
title: "init(duration:bounce:initialVelocity:)"
framework: uikit
role: symbol
role_heading: Initializer
path: "uikit/uispringtimingparameters/init(duration:bounce:initialvelocity:)"
---

# init(duration:bounce:initialVelocity:)

## Declaration

```swift
init(duration: TimeInterval, bounce: CGFloat, initialVelocity velocity: CGVector)
```

## See Also

### Initializers

- [init(duration:bounce:)](uikit/uispringtimingparameters/init(duration:bounce:).md)