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# Peak Limiter Unit Parameters

Parameters for the Peak Limiter unit.

## Topics

### Constants

[`var kLimiterParam_AttackTime: AudioUnitParameterID`](/documentation/AudioToolbox/kLimiterParam_AttackTime)

[`var kLimiterParam_DecayTime: AudioUnitParameterID`](/documentation/AudioToolbox/kLimiterParam_DecayTime)

[`var kLimiterParam_PreGain: AudioUnitParameterID`](/documentation/AudioToolbox/kLimiterParam_PreGain)


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