--- title: AudioUnitScheduleParametersProc framework: audiotoolbox role: symbol role_heading: Type Alias path: audiotoolbox/audiounitscheduleparametersproc --- # AudioUnitScheduleParametersProc ## Declaration ```swift typealias AudioUnitScheduleParametersProc = (UnsafeMutableRawPointer, UnsafePointer, UInt32) -> OSStatus ``` ## See Also ### Audio Unit Types - [ScheduledAudioFileRegion](audiotoolbox/scheduledaudiofileregion.md) - [ScheduledAudioSlice](audiotoolbox/scheduledaudioslice.md) - [ScheduledAudioFileRegionCompletionProc](audiotoolbox/scheduledaudiofileregioncompletionproc.md) - [ScheduledAudioSliceCompletionProc](audiotoolbox/scheduledaudioslicecompletionproc.md) - [MIDIChannelNumber](audiotoolbox/midichannelnumber.md) - [AUAudioObjectID](audiotoolbox/auaudioobjectid.md) - [AUMIDICIProfileChangedBlock](audiotoolbox/aumidiciprofilechangedblock.md) - [AUAudioChannelCount](audiotoolbox/auaudiochannelcount.md) - [AUAudioFrameCount](audiotoolbox/auaudioframecount.md) - [AUAudioUnitStatus](audiotoolbox/auaudiounitstatus.md) - [AUEventListenerProc](audiotoolbox/aueventlistenerproc.md) - [AUEventListenerRef](audiotoolbox/aueventlistenerref.md) - [AUEventSampleTime](audiotoolbox/aueventsampletime.md) - [AUImplementorValueObserver](audiotoolbox/auimplementorvalueobserver.md) - [AUImplementorValueProvider](audiotoolbox/auimplementorvalueprovider.md)