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# localPort(_:)

Specify a specific port to use as the local endpoint,
letting the system select the address.

```
func localPort(_ port: NWEndpoint.Port) -> Self
```

## Parameters

`port`

The local port to require.
Force a specific local port to be used.

## Discussion

For connections, this will be used to initiate traffic;
for listeners, this will be used for receiving incoming
connections.

---

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