---
title: "init(boundingBox:revision:)"
framework: vision
role: symbol
role_heading: Initializer
path: "vision/faceobservation/init(boundingbox:revision:)"
---

# init(boundingBox:revision:)

Creates a face observation from its bounding box.

## Declaration

```swift
init(boundingBox: NormalizedRect, revision: DetectFaceRectanglesRequest.Revision? = nil)
```

## Parameters

- `boundingBox`: The bounding box of the detected face.
- `revision`: The revision of the doc://Vision/documentation/Vision/DetectFaceRectanglesRequest that provided the bounding box.

## See Also

### Creating an observation

- [init(_:)](vision/faceobservation/init(_:).md)