---
title: CBAdvertisementDataManufacturerDataKey
framework: corebluetooth
role: symbol
role_heading: Global Variable
path: corebluetooth/cbadvertisementdatamanufacturerdatakey
---

# CBAdvertisementDataManufacturerDataKey

The manufacturer data of a peripheral.

## Declaration

```swift
let CBAdvertisementDataManufacturerDataKey: String
```

## Discussion

Discussion The value associated with this key is an NSData object.

## See Also

### Advertisement Keys

- [CBAdvertisementDataLocalNameKey](corebluetooth/cbadvertisementdatalocalnamekey.md)
- [CBAdvertisementDataServiceDataKey](corebluetooth/cbadvertisementdataservicedatakey.md)
- [CBAdvertisementDataServiceUUIDsKey](corebluetooth/cbadvertisementdataserviceuuidskey.md)
- [CBAdvertisementDataOverflowServiceUUIDsKey](corebluetooth/cbadvertisementdataoverflowserviceuuidskey.md)
- [CBAdvertisementDataTxPowerLevelKey](corebluetooth/cbadvertisementdatatxpowerlevelkey.md)
- [CBAdvertisementDataIsConnectable](corebluetooth/cbadvertisementdataisconnectable.md)
- [CBAdvertisementDataSolicitedServiceUUIDsKey](corebluetooth/cbadvertisementdatasolicitedserviceuuidskey.md)