# MulticastInterfaceIndex

`import { MulticastInterfaceIndex } from "destack:net/binding";`

Indexed multicast interface selector.

```ds title="MulticastInterfaceIndex"
export struct MulticastInterfaceIndex {
    kind: "index";
    index: uint32;
}
```

[language/library/src/net/binding/udp.ds:21:26](https://github.com/destack-sh/destack/blob/main/language/library/src/net/binding/udp.ds#L21-L26)

## Members

### `kind: "index"`

Selector discriminator.

### `index: uint32`

Interface index.