---
title: fromValue
framework: quartzcore
role: symbol
role_heading: Instance Property
path: quartzcore/cabasicanimation/fromvalue
---

# fromValue

Defines the value the receiver uses to start interpolation.

## Declaration

```swift
var fromValue: Any? { get set }
```

## Discussion

Discussion See Setting Interpolation Values for details on how fromValue interacts with the other interpolation values.

## See Also

### Related Documentation

- [Core Animation Programming Guide](apple-archive/documentation/Cocoa/Conceptual/CoreAnimation_guide/Introduction.md)

### Interpolation values

- [toValue](quartzcore/cabasicanimation/tovalue.md)
- [byValue](quartzcore/cabasicanimation/byvalue.md)