---
title: identifier
framework: fileprovider
role: symbol
role_heading: Instance Property
path: fileprovider/nsfileproviderdomain/identifier
---

# identifier

The domain’s unique identifier.

## Declaration

```swift
var identifier: NSFileProviderDomainIdentifier { get }
```

## Mentioned in

Using push notifications to signal changes

## See Also

### Accessing data

- [displayName](fileprovider/nsfileproviderdomain/displayname.md)
- [isReplicated](fileprovider/nsfileproviderdomain/isreplicated.md)
- [backingStoreIdentity](fileprovider/nsfileproviderdomain/backingstoreidentity.md)
- [pathRelativeToDocumentStorage](fileprovider/nsfileproviderdomain/pathrelativetodocumentstorage.md)
- [isHidden](fileprovider/nsfileproviderdomain/ishidden.md)
- [userEnabled](fileprovider/nsfileproviderdomain/userenabled.md)
- [isDisconnected](fileprovider/nsfileproviderdomain/isdisconnected.md)
- [supportsSyncingTrash](fileprovider/nsfileproviderdomain/supportssyncingtrash.md)
- [userInfo](fileprovider/nsfileproviderdomain/userinfo.md)
- [volumeUUID](fileprovider/nsfileproviderdomain/volumeuuid.md)