# add(_:) Adds the specified item to the journal and begins transferring the item’s data to the other participants’ devices so they can access it. ``` final func add(_ item: ItemType) async throws -> GroupSessionJournal.Attachment where ItemType : Transferable ``` ## Parameters `item` The item to send to other session participants. The type you specify must conform to the protocol. For more information about creating transferable types, see . ## Return Value An attachment object you can remove by passing it to the [`remove(attachment:)`](/documentation/GroupActivities/GroupSessionJournal/remove(attachment:)) function. ## Discussion Call this method when you want to send a file or codable data type to the other participants of an activity. The method runs asynchronously and can return before the upload operation finishes. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)