---
title: "AudioObjectGetPropertyDataSize(_:_:_:_:_:)"
framework: coreaudio
role: symbol
role_heading: Function
path: "coreaudio/audioobjectgetpropertydatasize(_:_:_:_:_:)"
---

# AudioObjectGetPropertyDataSize(_:_:_:_:_:)

## Declaration

```swift
func AudioObjectGetPropertyDataSize(_ inObjectID: AudioObjectID, _ inAddress: UnsafePointer<AudioObjectPropertyAddress>, _ inQualifierDataSize: UInt32, _ inQualifierData: UnsafeRawPointer?, _ outDataSize: UnsafeMutablePointer<UInt32>) -> OSStatus
```

## Parameters

- `inObjectID`: The AudioObject to query.
- `inAddress`: An AudioObjectPropertyAddress indicating which property is being queried.
- `inQualifierDataSize`: A UInt32 indicating the size of the buffer pointed to by inQualifierData. Note that not all properties require qualification, in which case this value will be 0.
- `inQualifierData`: A buffer of data to be used in determining the data of the property being queried. Note that not all properties require qualification, in which case this value will be NULL.
- `outDataSize`: A UInt32 indicating how many bytes the data for the given property occupies.

## Return Value

Return Value An OSStatus indicating success or failure.

## Discussion

Discussion Queries an AudioObject to find the size of the data for the given property.

## See Also

### Functions

- [AudioConvertHostTimeToNanos(_:)](coreaudio/audioconverthosttimetonanos(_:).md)
- [AudioConvertNanosToHostTime(_:)](coreaudio/audioconvertnanostohosttime(_:).md)
- [AudioDeviceCreateIOProcID(_:_:_:_:)](coreaudio/audiodevicecreateioprocid(_:_:_:_:).md)
- [AudioDeviceCreateIOProcIDWithBlock(_:_:_:_:)](coreaudio/audiodevicecreateioprocidwithblock(_:_:_:_:).md)
- [AudioDeviceDestroyIOProcID(_:_:)](coreaudio/audiodevicedestroyioprocid(_:_:).md)
- [AudioDeviceGetCurrentTime(_:_:)](coreaudio/audiodevicegetcurrenttime(_:_:).md)
- [AudioDeviceGetNearestStartTime(_:_:_:)](coreaudio/audiodevicegetneareststarttime(_:_:_:).md)
- [AudioDeviceStart(_:_:)](coreaudio/audiodevicestart(_:_:).md)
- [AudioDeviceStartAtTime(_:_:_:_:)](coreaudio/audiodevicestartattime(_:_:_:_:).md)
- [AudioDeviceStop(_:_:)](coreaudio/audiodevicestop(_:_:).md)
- [AudioDeviceTranslateTime(_:_:_:)](coreaudio/audiodevicetranslatetime(_:_:_:).md)
- [AudioGetCurrentHostTime()](coreaudio/audiogetcurrenthosttime().md)
- [AudioGetHostClockFrequency()](coreaudio/audiogethostclockfrequency().md)
- [AudioGetHostClockMinimumTimeDelta()](coreaudio/audiogethostclockminimumtimedelta().md)
- [AudioHardwareCreateAggregateDevice(_:_:)](coreaudio/audiohardwarecreateaggregatedevice(_:_:).md)