---
title: CBUUIDCharacteristicFormatString
framework: corebluetooth
role: symbol
role_heading: Global Variable
path: corebluetooth/cbuuidcharacteristicformatstring
---

# CBUUIDCharacteristicFormatString

The UUID for the Presentation Format descriptor, as a string.

## Declaration

```swift
let CBUUIDCharacteristicFormatString: String
```

## Discussion

Discussion The corresponding value for this descriptor is an NSData object.

## See Also

### Characteristic Descriptors

- [CBUUIDCharacteristicExtendedPropertiesString](corebluetooth/cbuuidcharacteristicextendedpropertiesstring.md)
- [CBUUIDCharacteristicUserDescriptionString](corebluetooth/cbuuidcharacteristicuserdescriptionstring.md)
- [CBUUIDClientCharacteristicConfigurationString](corebluetooth/cbuuidclientcharacteristicconfigurationstring.md)
- [CBUUIDServerCharacteristicConfigurationString](corebluetooth/cbuuidservercharacteristicconfigurationstring.md)
- [CBUUIDCharacteristicAggregateFormatString](corebluetooth/cbuuidcharacteristicaggregateformatstring.md)
- [CBUUIDL2CAPPSMCharacteristicString](corebluetooth/cbuuidl2cappsmcharacteristicstring.md)