---
title: collaborationIdentifier
framework: sharedwithyoucore
role: symbol
role_heading: Instance Property
path: sharedwithyoucore/swcollaborationmetadata/collaborationidentifier
---

# collaborationIdentifier

A globally unique identifier that the app hosting the collaboration provides.

## Declaration

```swift
var collaborationIdentifier: SWCollaborationIdentifier { get }
```

## Discussion

Discussion This identifier is unique across platforms and sharing sessions.

## See Also

### Accessing metadata attributes

- [defaultShareOptions](sharedwithyoucore/swcollaborationmetadata/defaultshareoptions.md)
- [initiatorHandle](sharedwithyoucore/swcollaborationmetadata/initiatorhandle.md)
- [initiatorNameComponents](sharedwithyoucore/swcollaborationmetadata/initiatornamecomponents.md)
- [localIdentifier](sharedwithyoucore/swcollaborationmetadata/localidentifier.md)
- [title](sharedwithyoucore/swcollaborationmetadata/title.md)
- [userSelectedShareOptions](sharedwithyoucore/swcollaborationmetadata/userselectedshareoptions.md)