# FILE_VOLUME_ID

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

Request volume identifier.

```ds title="FILE_VOLUME_ID"
const FILE_VOLUME_ID: FileVolumeMask
```

[language/library/src/fs/binding/volume.ds:22](https://github.com/destack-sh/destack/blob/main/language/library/src/fs/binding/volume.ds#L22)