---
title: kAUPresetPartKey
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaupresetpartkey
---

# kAUPresetPartKey

If present, distinguishes a global preset that is set on the global scope from a part-based preset that is set on the part scope. The value of this key is defined by the audio unit it applies to.

## Declaration

```swift
var kAUPresetPartKey: String { get }
```

## See Also

### Getting the Audio Unit Presets

- [kAUPresetNumberKey](audiotoolbox/kaupresetnumberkey.md)
- [kAUPresetCPULoadKey](audiotoolbox/kaupresetcpuloadkey.md)
- [kAUPresetDataKey](audiotoolbox/kaupresetdatakey.md)
- [kAUPresetElementNameKey](audiotoolbox/kaupresetelementnamekey.md)
- [kAUPresetExternalFileRefs](audiotoolbox/kaupresetexternalfilerefs.md)
- [kAUPresetMASDataKey](audiotoolbox/kaupresetmasdatakey.md)
- [kAUPresetManufacturerKey](audiotoolbox/kaupresetmanufacturerkey.md)
- [kAUPresetNameKey](audiotoolbox/kaupresetnamekey.md)
- [kAUPresetRenderQualityKey](audiotoolbox/kaupresetrenderqualitykey.md)
- [kAUPresetSubtypeKey](audiotoolbox/kaupresetsubtypekey.md)
- [kAUPresetTypeKey](audiotoolbox/kaupresettypekey.md)
- [kAUPresetVSTDataKey](audiotoolbox/kaupresetvstdatakey.md)
- [kAUPresetVSTPresetKey](audiotoolbox/kaupresetvstpresetkey.md)
- [kAUPresetVersionKey](audiotoolbox/kaupresetversionkey.md)