---
title: Global Variables
framework: IOBluetooth
role: collectionGroup
role_heading: API Collection
path: iobluetooth/global-variables
---

# Global Variables

## Topics

### Constants

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