---
title: NWProtocolWebSocket.Opcode.ping
framework: network
role: symbol
role_heading: Case
path: network/nwprotocolwebsocket/opcode/ping
---

# NWProtocolWebSocket.Opcode.ping

A Ping message, which requests a Pong from the peer.

## Declaration

```swift
case ping
```

## See Also

### Control Types

- [NWProtocolWebSocket.Opcode.pong](network/nwprotocolwebsocket/opcode/pong.md)
- [NWProtocolWebSocket.Opcode.close](network/nwprotocolwebsocket/opcode/close.md)