---
title: MIDINetworkSession
framework: coremidi
role: symbol
role_heading: Class
path: coremidi/midinetworksession
---

# MIDINetworkSession

An object that represents a pairing of a source and destination.

## Declaration

```swift
class MIDINetworkSession
```

## Overview

Overview A session can have any number of connections. The system broadcasts output to all connections, and merges input from multiple connections.

## Topics

### Configuring a Session

- [default()](coremidi/midinetworksession/default().md)
- [isEnabled](coremidi/midinetworksession/isenabled.md)
- [connectionPolicy](coremidi/midinetworksession/connectionpolicy.md)

### Inspecting a Sessions

- [localName](coremidi/midinetworksession/localname.md)
- [networkName](coremidi/midinetworksession/networkname.md)
- [networkPort](coremidi/midinetworksession/networkport.md)
- [sourceEndpoint()](coremidi/midinetworksession/sourceendpoint().md)
- [destinationEndpoint()](coremidi/midinetworksession/destinationendpoint().md)

### Managing Connections

- [connections()](coremidi/midinetworksession/connections().md)
- [addConnection(_:)](coremidi/midinetworksession/addconnection(_:).md)
- [removeConnection(_:)](coremidi/midinetworksession/removeconnection(_:).md)

### Managing Contacts

- [contacts()](coremidi/midinetworksession/contacts().md)
- [addContact(_:)](coremidi/midinetworksession/addcontact(_:).md)
- [removeContact(_:)](coremidi/midinetworksession/removecontact(_:).md)
- [MIDINetworkNotificationContactsDidChange](coremidi/midinetworknotificationcontactsdidchange.md)

### Observing State Changes

- [MIDINetworkNotificationSessionDidChange](coremidi/midinetworknotificationsessiondidchange.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Networking

- [MIDINetworkHost](coremidi/midinetworkhost.md)
- [MIDINetworkConnection](coremidi/midinetworkconnection.md)