# FILE_WRITE_APPEND

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

Force append mode for the write.

```ds title="FILE_WRITE_APPEND"
const FILE_WRITE_APPEND: FileWriteFlags
```

[language/library/src/fs/binding/file.ds:103](https://github.com/destack-sh/destack/blob/main/language/library/src/fs/binding/file.ds#L103)