---
title: CBPeripheralManagerRestoredStateAdvertisementDataKey
framework: corebluetooth
role: symbol
role_heading: Global Variable
path: corebluetooth/cbperipheralmanagerrestoredstateadvertisementdatakey
---

# CBPeripheralManagerRestoredStateAdvertisementDataKey

A dictionary of restored advertising data.

## Declaration

```swift
let CBPeripheralManagerRestoredStateAdvertisementDataKey: String
```

## Discussion

Discussion The value associated with this key is an NSDictionary that contains the data advertised by the peripheral manager at the time the system quit the app.

## See Also

### State Restoration Dictionary Keys

- [CBPeripheralManagerRestoredStateServicesKey](corebluetooth/cbperipheralmanagerrestoredstateserviceskey.md)