---
title: copy()
framework: network
role: symbol
role_heading: Instance Method
path: network/nwparameters/copy()
---

# copy()

Performs a deep copy of a parameters object.

## Declaration

```swift
final func copy() -> NWParameters
```

## See Also

### Creating Parameters

- [tls](network/nwparameters/tls.md)
- [tcp](network/nwparameters/tcp.md)
- [dtls](network/nwparameters/dtls.md)
- [udp](network/nwparameters/udp.md)
- [quic(alpn:)](network/nwparameters/quic(alpn:).md)
- [quicDatagram(alpn:)](network/nwparameters/quicdatagram(alpn:).md)
- [init(tls:tcp:)](network/nwparameters/init(tls:tcp:).md)
- [init(dtls:udp:)](network/nwparameters/init(dtls:udp:).md)
- [init(quic:)](network/nwparameters/init(quic:).md)
- [init()](network/nwparameters/init().md)
- [init(customIPProtocolNumber:)](network/nwparameters/init(customipprotocolnumber:).md)