---
title: CBPeripheralManagerOptionShowPowerAlertKey
framework: corebluetooth
role: symbol
role_heading: Global Variable
path: corebluetooth/cbperipheralmanageroptionshowpoweralertkey
---

# CBPeripheralManagerOptionShowPowerAlertKey

A Boolean value specifying whether the system should warn if Bluetooth is in the powered-off state when instantiating the peripheral manager.

## Declaration

```swift
let CBPeripheralManagerOptionShowPowerAlertKey: String
```

## Discussion

Discussion The value for this key is an NSNumber. If the key isn’t specified, the default value is false.

## See Also

### Initialization Options

- [CBPeripheralManagerOptionRestoreIdentifierKey](corebluetooth/cbperipheralmanageroptionrestoreidentifierkey.md)