<!--
{
  "availability" : [
    "iOS: 18.0.0 -",
    "iPadOS: 18.0.0 -",
    "macOS: 15.0.0 -",
    "tvOS: 18.0.0 -",
    "visionOS: 2.0.0 -",
    "watchOS: 27.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Vision",
  "identifier" : "/documentation/Vision/FaceObservation",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Vision"
    ],
    "preciseIdentifier" : "s:6Vision15FaceObservationV"
  },
  "title" : "FaceObservation"
}
-->

# FaceObservation

An image-analysis request that identifies facial features in an image.

```
struct FaceObservation
```

## Topics

### Creating an observation

[`init(_:)`](/documentation/Vision/FaceObservation/init(_:))

Creates a face observation.

[`init(boundingBox:revision:)`](/documentation/Vision/FaceObservation/init(boundingBox:revision:))

Creates a face observation from its bounding box.

### Inspecting an observation

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

A type that describes the request and revision combination.

[`Landmarks2D`](/documentation/Vision/FaceObservation/Landmarks2D)

A collection of facial features that a request detects.

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

The facial features of the detected face.

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

The pitch angle of a face.

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

The roll angle of a face.

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

The yaw angle of a face.

### Getting the capture quality

[`captureQuality`](/documentation/Vision/FaceObservation/captureQuality-swift.property)

The quality of the face capture.

[`CaptureQuality`](/documentation/Vision/FaceObservation/CaptureQuality-swift.struct)

An indicator of the quality of a face capture.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Hashable`](/documentation/Swift/Hashable)

[`Decodable`](/documentation/Swift/Decodable)

[`Encodable`](/documentation/Swift/Encodable)

[`Escapable`](/documentation/Swift/Escapable)

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

[`Sendable`](/documentation/Swift/Sendable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

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

[`Copyable`](/documentation/Swift/Copyable)

[`Equatable`](/documentation/Swift/Equatable)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)