---
title: version
framework: corevideo
role: symbol
role_heading: Instance Property
path: corevideo/cvfillextendedpixelscallbackdata/version
---

# version

The version of this fill algorithm.

## Declaration

```swift
var version: CFIndex
```

## See Also

### Properties

- [fillCallBack](corevideo/cvfillextendedpixelscallbackdata/fillcallback.md)
- [refCon](corevideo/cvfillextendedpixelscallbackdata/refcon.md)