<!--
{
  "availability" : [
    "macOS: -"
  ],
  "documentType" : "symbol",
  "framework" : "AudioToolbox",
  "identifier" : "/documentation/AudioToolbox/AUParameterMIDIMappingFlags",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Audio Toolbox"
    ],
    "preciseIdentifier" : "c:@E@AUParameterMIDIMappingFlags"
  },
  "title" : "AUParameterMIDIMappingFlags"
}
-->

# AUParameterMIDIMappingFlags

```
struct AUParameterMIDIMappingFlags
```

## Topics

### Constants

[`kAUParameterMIDIMapping_AnyChannelFlag`](/documentation/AudioToolbox/AUParameterMIDIMappingFlags/anyChannelFlag)

[`kAUParameterMIDIMapping_AnyNoteFlag`](/documentation/AudioToolbox/AUParameterMIDIMappingFlags/anyNoteFlag)

[`kAUParameterMIDIMapping_Bipolar`](/documentation/AudioToolbox/AUParameterMIDIMappingFlags/bipolar)

[`kAUParameterMIDIMapping_Bipolar_On`](/documentation/AudioToolbox/AUParameterMIDIMappingFlags/bipolar_On)

[`kAUParameterMIDIMapping_SubRange`](/documentation/AudioToolbox/AUParameterMIDIMappingFlags/subRange)

[`kAUParameterMIDIMapping_Toggle`](/documentation/AudioToolbox/AUParameterMIDIMappingFlags/toggle)

## Relationships

### Conforms To

[`SetAlgebra`](/documentation/Swift/SetAlgebra)

[`OptionSet`](/documentation/Swift/OptionSet)

[`Sendable`](/documentation/Swift/Sendable)

[`Equatable`](/documentation/Swift/Equatable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`ExpressibleByArrayLiteral`](/documentation/Swift/ExpressibleByArrayLiteral)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)