# SERIAL_FLOW_XON_XOFF

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

Enable XON/XOFF software flow control.

```ds title="SERIAL_FLOW_XON_XOFF"
const SERIAL_FLOW_XON_XOFF: SerialFlowControl
```

[language/library/src/device/binding/serial.ds:34](https://github.com/destack-sh/destack/blob/main/language/library/src/device/binding/serial.ds#L34)