---
title: "update(with:)"
framework: arkit
role: symbol
role_heading: Instance Method
path: "arkit/arsession/update(with:)"
---

# update(with:)

Updates your session with information about the physical environment that is collected by another user.

## Declaration

```swift
func update(with collaborationData: ARSession.CollaborationData)
```

## Discussion

Discussion Call this function to update a session when the app receives collaboration data from other users that are participating in a multiuser AR experience. Your app receives this data when multiple users scan different parts of an environment and share that information with your app over the network. For more information, see isCollaborationEnabled. Collaboration is supported for world tracking configurations only.

## See Also

### Managing collaboration

- [ARSession.CollaborationData](arkit/arsession/collaborationdata.md)