---
title: functionBlockObject
framework: Core MIDI
role: symbol
role_heading: Type Property
platforms: [iOS 18.0+, iPadOS 18.0+, Mac Catalyst 18.0+, macOS 15.0+, visionOS 2.0+]
path: coremidi/midiumpendpointmanager/dictionarykey/functionblockobject
---

# functionBlockObject

## Declaration

```swift
static let functionBlockObject: MIDIUMPEndpointManager.DictionaryKey
```

## See Also

### Macros

- [badRequestID](coremidi/midicipropertyexchangerequestid/badrequestid.md)
- [endpointObject](coremidi/midiumpendpointmanager/dictionarykey/endpointobject.md)