---
title: kFTSProgressEstimatedTimeKey
framework: IOBluetooth
role: symbol
role_heading: Global Variable
path: iobluetooth/kftsprogressestimatedtimekey
---

# kFTSProgressEstimatedTimeKey

NSNumber double value. This key is used with the NSDictionary returned from the fileTransferServicesPutProgress: and fileTransferServicesGetProgress: delegate methods

## Declaration

```swift
var kFTSProgressEstimatedTimeKey: Unmanaged<CFString>!
```

## Discussion

Discussion

## See Also

### Constants

- [kFTSListingNameKey](iobluetooth/kftslistingnamekey.md)
- [kFTSListingSizeKey](iobluetooth/kftslistingsizekey.md)
- [kFTSListingTypeKey](iobluetooth/kftslistingtypekey.md)
- [kFTSProgressBytesTotalKey](iobluetooth/kftsprogressbytestotalkey.md)
- [kFTSProgressBytesTransferredKey](iobluetooth/kftsprogressbytestransferredkey.md)
- [kFTSProgressPercentageKey](iobluetooth/kftsprogresspercentagekey.md)
- [kFTSProgressTimeElapsedKey](iobluetooth/kftsprogresstimeelapsedkey.md)
- [kFTSProgressTransferRateKey](iobluetooth/kftsprogresstransferratekey.md)