<!--
{
  "documentType" : "article",
  "framework" : "CoreBluetooth",
  "identifier" : "/documentation/CoreBluetooth/advertising-data",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "Advertising Data"
}
-->

# Advertising Data

## Topics

### Advertising Keys

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

A Boolean value that indicates whether the advertising event type is connectable.

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

The local name of a peripheral.

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

The manufacturer data of a peripheral.

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

An array of UUIDs found in the overflow area of the advertisement data.

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

A dictionary that contains service-specific advertisement data.

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

An array of service UUIDs.

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

An array of solicited service UUIDs.

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

The transmit power of a peripheral.



---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)