# SERIAL_FLUSH_OUTPUT

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

Flush queued output bytes.

```ds title="SERIAL_FLUSH_OUTPUT"
const SERIAL_FLUSH_OUTPUT: SerialFlushFlags
```

[language/library/src/device/binding/serial.ds:43](https://github.com/destack-sh/destack/blob/main/language/library/src/device/binding/serial.ds#L43)