---
title: boundingBox
framework: Vision
role: symbol
role_heading: Instance Property
platforms: [iOS 11.0+, iPadOS 11.0+, Mac Catalyst 13.1+, macOS 10.13+, tvOS 11.0+, visionOS 1.0+]
path: vision/vndetectedobjectobservation/2867227-boundingbox
---

# boundingBox

The bounding box of the object that the request detects.

## Declaration

```swift
var boundingBox: CGRect { get }
```

## Discussion

The system normalizes the coordinates to the dimensions of the processed image, with the origin at the lower-left corner of the image.