<!--
{
  "availability" : [
    "iOS: 15.0.0 -",
    "iPadOS: 15.0.0 -",
    "macCatalyst: 15.0.0 -",
    "macOS: 13.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 8.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "ThreadNetwork",
  "identifier" : "/documentation/ThreadNetwork/THCredentials/borderAgentID",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Property",
  "symbol" : {
    "kind" : "Instance Property",
    "modules" : [
      "ThreadNetwork"
    ],
    "preciseIdentifier" : "c:objc(cs)THCredentials(py)borderAgentID"
  },
  "title" : "borderAgentID"
}
-->

# borderAgentID

The identifier of an active Thread network Border Agent.

```
var borderAgentID: Data? { get }
```

## Discussion

This property’s value is the MAC Extended Address, a random identifier that the active
Thread network Thread Border Router generates.

---

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)