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# Peripheral Manager Initialization Options

Keys used to specify options when creating a peripheral manager.

## Topics

### Initialization Options

[`CBPeripheralManagerOptionShowPowerAlertKey`](/documentation/CoreBluetooth/CBPeripheralManagerOptionShowPowerAlertKey)

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

[`CBPeripheralManagerOptionRestoreIdentifierKey`](/documentation/CoreBluetooth/CBPeripheralManagerOptionRestoreIdentifierKey)

A string containing a unique identifier (UID) for the peripheral manager to instantiate.


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