---
title: CBUUIDCharacteristicExtendedPropertiesString
framework: corebluetooth
role: symbol
role_heading: Global Variable
path: corebluetooth/cbuuidcharacteristicextendedpropertiesstring
---

# CBUUIDCharacteristicExtendedPropertiesString

The UUID for the Extended Properties descriptor, as a string.

## Declaration

```swift
let CBUUIDCharacteristicExtendedPropertiesString: String
```

## Discussion

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

## See Also

### Characteristic Descriptors

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