# FILE_OPEN_DATA_SYNC

`import { FILE_OPEN_DATA_SYNC } from "destack:fs/binding";`

Synchronize written data before writes complete.

```ds title="FILE_OPEN_DATA_SYNC"
const FILE_OPEN_DATA_SYNC: FileOpenFlags
```

[language/library/src/fs/binding/file.ds:45](https://github.com/destack-sh/destack/blob/main/language/library/src/fs/binding/file.ds#L45)