MIDIEndpointRef
A MIDI source or destination an entity owns.
Declaration
typealias MIDIEndpointRef = MIDIObjectRefDiscussion
An endpoint object derives from MIDIObjectRef. It’s owned by a MIDIEntityRef, unless it’s a virtual endpoint, in which case it has no owner. An entity may have any number of MIDI endpoints, which contain sources and destinations of 16-channel MIDI streams.