---
title: viewPackingKind
framework: coremedia
role: symbol
role_heading: Type Property
path: coremedia/cmformatdescription/extensions-swift.struct/key/viewpackingkind
---

# viewPackingKind

Indicates the packing type of stereoscopic video frames.

## Declaration

```swift
static let viewPackingKind: CMFormatDescription.Extensions.Key
```