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# NWInterface

An interface that a network connection uses to send and receive data.

```
struct NWInterface
```

## Topics

### Inspecting Interfaces

[`type`](/documentation/Network/NWInterface/type)

The type of the interface, such as Wi-Fi or loopback.

[`NWInterface.InterfaceType`](/documentation/Network/NWInterface/InterfaceType)

Types of network interfaces, based on their link layer media types.

[`name`](/documentation/Network/NWInterface/name)

The name of the interface.

[`index`](/documentation/Network/NWInterface/index)

The system interface index associated with the interface.

### Comparing Interfaces


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