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# MIDICIDeviceManager.DictionaryKey

```
struct DictionaryKey
```

## Topics

### Type Properties

[`MIDICIDeviceObjectKey`](/documentation/CoreMIDI/MIDICIDeviceManager/DictionaryKey/deviceObject)

[`MIDICIProfileObjectKey`](/documentation/CoreMIDI/MIDICIDeviceManager/DictionaryKey/profileObject)

## Relationships

### Conforms To

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

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

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

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

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

---

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