---
title: kMusicDeviceProperty_InstrumentNumber
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kmusicdeviceproperty_instrumentnumber
---

# kMusicDeviceProperty_InstrumentNumber

## Declaration

```swift
var kMusicDeviceProperty_InstrumentNumber: AudioUnitPropertyID { get }
```

## See Also

### Constants

- [kMusicDeviceProperty_InstrumentName](audiotoolbox/kmusicdeviceproperty_instrumentname.md)