---
title: motionVector
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/motion/motionvector
---

# motionVector

## Declaration

```swift
var motionVector: CVReadOnlyPixelBuffer { get }
```

## Discussion

Discussion note: motionVector A CVPixelBuffer containing the motion vector information, if processing request was successful.