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# BoundingBoxProviding

A protocol for objects that have a bounding box.

```
protocol BoundingBoxProviding
```

## Topics

### Getting the bounding box

[`var boundingBox: NormalizedRect`](/documentation/Vision/BoundingBoxProviding/boundingBox)

The bounding box of the object.

## Relationships

### Conforming Types

[`DetectedObjectObservation`](/documentation/Vision/DetectedObjectObservation)

[`TextObservation`](/documentation/Vision/TextObservation)

[`RectangleObservation`](/documentation/Vision/RectangleObservation)

[`HumanObservation`](/documentation/Vision/HumanObservation)

[`FaceObservation`](/documentation/Vision/FaceObservation)

[`RecognizedTextObservation`](/documentation/Vision/RecognizedTextObservation)

[`BarcodeObservation`](/documentation/Vision/BarcodeObservation)

[`DetectedDocumentObservation`](/documentation/Vision/DetectedDocumentObservation)

[`RecognizedObjectObservation`](/documentation/Vision/RecognizedObjectObservation)

### Inherited By

[`QuadrilateralProviding`](/documentation/Vision/QuadrilateralProviding)

---

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