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# CHHapticDynamicParameter.ID

The identifier that reveals the type of property associated with a dynamic parameter.

```
struct ID
```

## Topics

### Haptic Dynamic Parameter IDs

[`hapticIntensityControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/hapticIntensityControl)

A dynamic parameter to change the strength of a haptic pattern.

[`hapticSharpnessControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/hapticSharpnessControl)

A dynamic parameter to change the sharpness of a haptic pattern.

[`hapticAttackTimeControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/hapticAttackTimeControl)

A dynamic parameter to change the time when a haptic pattern’s intensity begins increasing.

[`hapticDecayTimeControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/hapticDecayTimeControl)

A dynamic parameter to change the time when a haptic pattern’s intensity begins decreasing.

[`hapticReleaseTimeControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/hapticReleaseTimeControl)

A dynamic parameter to change the time at which to begin fading the haptic pattern.

### Audio Dynamic Parameter IDs

[`audioBrightnessControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/audioBrightnessControl)

A dynamic parameter to change the high-frequency content of an audio signal.

[`audioVolumeControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/audioVolumeControl)

A dynamic parameter to change the volume or loudness of an audio signal.

[`audioPanControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/audioPanControl)

A dynamic parameter to change the pan of an audio signal.

[`audioPitchControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/audioPitchControl)

A dynamic parameter to change the pitch of an audio signal.

[`audioAttackTimeControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/audioAttackTimeControl)

A dynamic parameter to change the time when an audio signal’s amplitude begins increasing.

[`audioDecayTimeControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/audioDecayTimeControl)

A dynamic parameter to change the time when an audio signal’s amplitude begins decreasing.

[`audioReleaseTimeControl`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/audioReleaseTimeControl)

A dynamic parameter to change the time when an audio signal begins fading.

### Swift Initializers

[`init(rawValue:)`](/documentation/CoreHaptics/CHHapticDynamicParameter/ID/init(rawValue:))

Creates a dynamic property ID from its raw string value.


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