Please find sample project which has uploading and downloading of file from iCloud Documents.
https://github.com/defyreborn/BackupRestoreDemo
MubashshirShaikh
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
From
Ahmedabad
Post
Replies
Boosts
Views
Activity
Please find my code snippet I am using to download the file from iCloud Documents attached to the main thread.
Thanks