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# HMCharacteristicValueVolumeControlType

Values for the type of volume control.

```
enum HMCharacteristicValueVolumeControlType
```

## Topics

### Volume types

[`case absolute`](/documentation/HomeKit/HMCharacteristicValueVolumeControlType/absolute)

The volume sets to a specific level.

[`case none`](/documentation/HomeKit/HMCharacteristicValueVolumeControlType/none)

The device doesn’t have volume control functionality.

[`case relative`](/documentation/HomeKit/HMCharacteristicValueVolumeControlType/relative)

The volume adjusts incrementally, without taking the current level into consideration.

[`case relativeWithCurrent`](/documentation/HomeKit/HMCharacteristicValueVolumeControlType/relativeWithCurrent)

The volume adjusts incrementally, relative to current level.

### Initializers

[`init?(rawValue: Int)`](/documentation/HomeKit/HMCharacteristicValueVolumeControlType/init(rawValue:))

## Relationships

### Conforms To

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

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

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

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

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

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

---

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