---
title: metadataVersion
framework: fileprovider
role: symbol
role_heading: Instance Property
path: fileprovider/nsfileprovideritemversion/metadataversion
---

# metadataVersion

An opaque object used to track versions of the item’s metadata.

## Declaration

```swift
var metadataVersion: Data { get }
```

## Discussion

Discussion When the metadataVersion changes, system updates the dataless representation of the item on disk, but it doesn’t attempt to download the content. The version data object must be no longer than 128 bytes.

## See Also

### Accessing Version Data

- [beforeFirstSyncComponent](fileprovider/nsfileprovideritemversion/beforefirstsynccomponent.md)
- [contentVersion](fileprovider/nsfileprovideritemversion/contentversion.md)