Optionalchat_Initial chat-room render snapshot for the forked thread, including members and loaded messages. null for transient threads whose room model is suppressed.
OptionalteamTeam that owns the forked thread. Present only when the original thread was team-scoped; null for personal threads.
The newly-created thread produced by the fork operation.
Response returned after forking a chat thread. Contains the new thread, its initial chat-room snapshot, and the owning team when applicable.