---
title: version
framework: coremedia
role: symbol
role_heading: Instance Property
path: coremedia/cmblockbuffercustomblocksource/version
---

# version

## Declaration

```swift
var version: UInt32
```

## See Also

### Properties

- [AllocateBlock](coremedia/cmblockbuffercustomblocksource/allocateblock.md)
- [FreeBlock](coremedia/cmblockbuffercustomblocksource/freeblock.md)
- [refCon](coremedia/cmblockbuffercustomblocksource/refcon.md)