<!--
{
  "availability" : [
    "iOS: 10.3.0 -",
    "iPadOS: 10.3.0 -",
    "macCatalyst: 10.3.0 -",
    "tvOS: 10.2.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 3.2.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "HomeKit",
  "identifier" : "/documentation/HomeKit/HMCharacteristicTypeLabelNamespace",
  "metadataVersion" : "0.1.0",
  "role" : "Global Variable",
  "symbol" : {
    "kind" : "Global Variable",
    "modules" : [
      "HomeKit"
    ],
    "preciseIdentifier" : "c:@HMCharacteristicTypeLabelNamespace"
  },
  "title" : "HMCharacteristicTypeLabelNamespace"
}
-->

# HMCharacteristicTypeLabelNamespace

The naming schema used to label the services on an accessory with multiple services of the same type.

```
let HMCharacteristicTypeLabelNamespace: String
```

## Discussion

The corresponding value is one of the constants in the [`HMCharacteristicValueLabelNamespace`](/documentation/HomeKit/HMCharacteristicValueLabelNamespace) enumeration.

## Topics

### Values

[`enum HMCharacteristicValueLabelNamespace`](/documentation/HomeKit/HMCharacteristicValueLabelNamespace)

Possible values for the label namespace.



---

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)