# UsbDirection

`import { UsbDirection } from "destack:device/binding";`

USB endpoint direction.

```ds title="UsbDirection"
export enum UsbDirection {
    Out = 0,
    In = 1,
}
```

[language/library/src/device/binding/usb.ds:28:33](https://github.com/destack-sh/destack/blob/main/language/library/src/device/binding/usb.ds#L28-L33)

## Variants

### `Out = 0`

Host-to-device transfer direction.

### `In = 1`

Device-to-host transfer direction.