---
title: NWProtocolDefinition
framework: network
role: symbol
role_heading: Class
path: network/nwprotocoldefinition
---

# NWProtocolDefinition

The abstract superclass for identifying a network protocol.

## Declaration

```swift
class NWProtocolDefinition
```

## Topics

### Inspecting Protocol Definitions

- [name](network/nwprotocoldefinition/name.md)

## Relationships

### Inherited By

- [NWProtocolFramer.Definition](network/nwprotocolframer/definition.md)

### Conforms To

- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Adding Protocols to Connections

- [NWProtocolOptions](network/nwprotocoloptions.md)