<!--
{
  "availability" : [
    "iOS: 15.0.0 -",
    "iPadOS: 15.0.0 -",
    "macCatalyst: 15.0.0 -",
    "watchOS: 8.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "NearbyInteraction",
  "identifier" : "/documentation/NearbyInteraction/NINearbyAccessoryConfiguration/init(data:)",
  "metadataVersion" : "0.1.0",
  "role" : "Initializer",
  "symbol" : {
    "kind" : "Initializer",
    "modules" : [
      "Nearby Interaction"
    ],
    "preciseIdentifier" : "c:objc(cs)NINearbyAccessoryConfiguration(im)initWithData:error:"
  },
  "title" : "init(data:)"
}
-->

# init(data:)

Creates a configuration for interaction between iPhone and third-party accessories.

```
init(data: Data) throws
```

## Parameters

`data`

The accessory’s configuration data formatted to the [Ultra Wideband (UWB) third-party device specification](https://developer.apple.com/nearby-interaction).

---

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)