---
title: label
framework: Video Toolbox
role: symbol
role_heading: Instance Property
platforms: [iOS 26.0+, iPadOS 26.0+, Mac Catalyst 26.0+, macOS 26.0+, tvOS 26.0+, visionOS 26.0+]
path: videotoolbox/vtmotionestimationsession/label
---

# label

## Declaration

```swift
final var label: String? { get }
```

## See Also

### Inspecting the session

- [motionVectorSize](videotoolbox/vtmotionestimationsession/motionvectorsize.md)
- [sourcePixelBufferAttributes](videotoolbox/vtmotionestimationsession/sourcepixelbufferattributes.md)
- [useMultiPassSearch](videotoolbox/vtmotionestimationsession/usemultipasssearch.md)