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# MIDIObjectType

The MIDI object types that the system supports.

```
enum MIDIObjectType
```

## Topics

### Object Types

[`kMIDIObjectType_Other`](/documentation/CoreMIDI/MIDIObjectType/other)

A MIDI object with an undefined type.

[`kMIDIObjectType_Device`](/documentation/CoreMIDI/MIDIObjectType/device)

A MIDI device.

[`kMIDIObjectType_Entity`](/documentation/CoreMIDI/MIDIObjectType/entity)

A MIDI entity.

[`kMIDIObjectType_Source`](/documentation/CoreMIDI/MIDIObjectType/source)

A MIDI source.

[`kMIDIObjectType_Destination`](/documentation/CoreMIDI/MIDIObjectType/destination)

A MIDI destination.

[`kMIDIObjectType_ExternalDevice`](/documentation/CoreMIDI/MIDIObjectType/externalDevice)

An external device.

[`kMIDIObjectType_ExternalEntity`](/documentation/CoreMIDI/MIDIObjectType/externalEntity)

An external entity.

[`kMIDIObjectType_ExternalSource`](/documentation/CoreMIDI/MIDIObjectType/externalSource)

An external source.

[`kMIDIObjectType_ExternalDestination`](/documentation/CoreMIDI/MIDIObjectType/externalDestination)

An external destination.

[`kMIDIObjectType_ExternalMask`](/documentation/CoreMIDI/kMIDIObjectType_ExternalMask)

A bit mask indicating that a device is external.

## Relationships

### Conforms To

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

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

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

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

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

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

---

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