# kFTSProgressEstimatedTimeKey NSNumber double value. This key is used with the NSDictionary returned from the fileTransferServicesPutProgress: and fileTransferServicesGetProgress: delegate methods ``` var kFTSProgressEstimatedTimeKey: Unmanaged! ``` ## Discussion --- 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)