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  "title" : "AccessoryControlDevice.Capabilities"
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# AccessoryControlDevice.Capabilities

A set of capabilities that an audio accessory supports.

```
struct Capabilities
```

## Overview

The [`AccessoryControlDevice`](/documentation/AudioAccessoryKit/AccessoryControlDevice) class’s initializer takes an argument of this type. Use this structure to specify which features your accessory supports when initializing an audio accessory configuration.

## Topics

### Capability options

[`static let audioSwitching: AccessoryControlDevice.Capabilities`](/documentation/AudioAccessoryKit/AccessoryControlDevice/Capabilities/audioSwitching)

A capability indicating the device supports automatic audio switching.

[`static let placement: AccessoryControlDevice.Capabilities`](/documentation/AudioAccessoryKit/AccessoryControlDevice/Capabilities/placement)

A capability indicating the device supports placement detection.

### Type Properties

[`static let audioSpatialization: AccessoryControlDevice.Capabilities`](/documentation/AudioAccessoryKit/AccessoryControlDevice/Capabilities/audioSpatialization)

Device supports audio spatialization

[`static let headTracking: AccessoryControlDevice.Capabilities`](/documentation/AudioAccessoryKit/AccessoryControlDevice/Capabilities/headTracking)

Device supports head tracking for audio spatialization

## Relationships

### Conforms To

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

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

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

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

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

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

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

---

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