---
title: "RequestDescriptor.trackRectangleRequest(_:)"
framework: vision
role: symbol
role_heading: Case
path: "vision/requestdescriptor/trackrectanglerequest(_:)"
---

# RequestDescriptor.trackRectangleRequest(_:)

A descriptor that describes a track rectangles request.

## Declaration

```swift
case trackRectangleRequest(TrackRectangleRequest.Revision)
```

## See Also

### Getting the object-tracking descriptor

- [RequestDescriptor.trackObjectRequest(_:)](vision/requestdescriptor/trackobjectrequest(_:).md)