---
title: "AudioHardwareServiceHasProperty(_:_:)"
framework: audiotoolbox
role: symbol
role_heading: Function
path: "audiotoolbox/audiohardwareservicehasproperty(_:_:)"
---

# AudioHardwareServiceHasProperty(_:_:)

Queries a HAL audio object about whether or not it has a specified property.

## Declaration

```swift
func AudioHardwareServiceHasProperty(_ inObjectID: AudioObjectID, _ inAddress: UnsafePointer<AudioObjectPropertyAddress>!) -> Bool
```

## Parameters

- `inObjectID`: The HAL audio object to query.
- `inAddress`: The property that you are asking about.

## Return Value

Return Value A Boolean value that indicates whether the HAL audio object does have the property (true) or not (false).

## See Also

### Related Documentation

- [AudioHardwareServiceIsPropertySettable(_:_:_:)](audiotoolbox/audiohardwareserviceispropertysettable(_:_:_:).md)

### Functions

- [AudioFileReadPackets(_:_:_:_:_:_:_:)](audiotoolbox/audiofilereadpackets(_:_:_:_:_:_:_:).md)
- [AudioComponentGetIcon(_:_:)](audiotoolbox/audiocomponentgeticon(_:).md)
- [AudioComponentGetLastActiveTime(_:)](audiotoolbox/audiocomponentgetlastactivetime(_:).md)
- [AudioHardwareServiceAddPropertyListener(_:_:_:_:)](audiotoolbox/audiohardwareserviceaddpropertylistener(_:_:_:_:).md)
- [AudioHardwareServiceGetPropertyData(_:_:_:_:_:_:)](audiotoolbox/audiohardwareservicegetpropertydata(_:_:_:_:_:_:).md)
- [AudioHardwareServiceGetPropertyDataSize(_:_:_:_:_:)](audiotoolbox/audiohardwareservicegetpropertydatasize(_:_:_:_:_:).md)
- [AudioHardwareServiceIsPropertySettable(_:_:_:)](audiotoolbox/audiohardwareserviceispropertysettable(_:_:_:).md)
- [AudioHardwareServiceRemovePropertyListener(_:_:_:_:)](audiotoolbox/audiohardwareserviceremovepropertylistener(_:_:_:_:).md)
- [AudioHardwareServiceSetPropertyData(_:_:_:_:_:_:)](audiotoolbox/audiohardwareservicesetpropertydata(_:_:_:_:_:_:).md)
- [AudioOutputUnitGetHostIcon(_:_:)](audiotoolbox/audiooutputunitgethosticon(_:_:).md)
- [AudioOutputUnitPublish(_:_:_:_:)](audiotoolbox/audiooutputunitpublish(_:_:_:_:).md)
- [AudioSessionAddPropertyListener(_:_:_:)](audiotoolbox/audiosessionaddpropertylistener(_:_:_:).md)
- [AudioSessionGetProperty(_:_:_:)](audiotoolbox/audiosessiongetproperty(_:_:_:).md)
- [AudioSessionGetPropertySize(_:_:)](audiotoolbox/audiosessiongetpropertysize(_:_:).md)
- [AudioSessionInitialize(_:_:_:_:)](audiotoolbox/audiosessioninitialize(_:_:_:_:).md)