<!--
{
  "availability" : [
    "iOS: 26.0.0 -",
    "iPadOS: 26.0.0 -",
    "macCatalyst: 27.0.0 -",
    "macOS: 27.0.0 -",
    "visionOS: -"
  ],
  "documentType" : "symbol",
  "framework" : "VisualIntelligence",
  "identifier" : "/documentation/VisualIntelligence/SemanticContentDescriptor",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Visual Intelligence"
    ],
    "preciseIdentifier" : "s:18VisualIntelligence25SemanticContentDescriptorV"
  },
  "title" : "SemanticContentDescriptor"
}
-->

# SemanticContentDescriptor

A type that represents a scene that visual intelligence captures, for example, a screenshot, photo, or photo and video stream.

```
struct SemanticContentDescriptor
```

## Topics

### Accessing semantic content

[`labels`](/documentation/VisualIntelligence/SemanticContentDescriptor/labels)

A list of labels that visual intelligence uses to classify items onscreen or in visual intelligence camera.

[`pixelBuffer`](/documentation/VisualIntelligence/SemanticContentDescriptor/pixelBuffer)

The pixel buffer that visual intelligence captures.

### Protocol conformance

[`defaultResolverSpecification`](/documentation/VisualIntelligence/SemanticContentDescriptor/defaultResolverSpecification)

A default implementation of an internal type that the App Intents framework uses to convert data values with resolvers.

[`SemanticContentDescriptor.Specification`](/documentation/VisualIntelligence/SemanticContentDescriptor/Specification)

A type that specifies how the system resolves a semantic content descriptor.

[`SemanticContentDescriptor.ValueType`](/documentation/VisualIntelligence/SemanticContentDescriptor/ValueType)

A type that represents the value of a semantic content descriptor.

[`SemanticContentDescriptor.UnwrappedType`](/documentation/VisualIntelligence/SemanticContentDescriptor/UnwrappedType)

A type that represents the unwrapped value of a semantic content descriptor.



---

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)