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# MTRDeviceAttestationDelegate

```
protocol MTRDeviceAttestationDelegate : NSObjectProtocol
```

## Topics

### Instance Methods

[`func deviceAttestation(MTRDeviceController, completedForDevice: UnsafeMutableRawPointer, attestationDeviceInfo: MTRDeviceAttestationDeviceInfo, error: (any Error)?)`](/documentation/Matter/MTRDeviceAttestationDelegate/deviceAttestation(_:completedForDevice:attestationDeviceInfo:error:))

[`func deviceAttestation(MTRDeviceController, failedForDevice: UnsafeMutableRawPointer, error: any Error)`](/documentation/Matter/MTRDeviceAttestationDelegate/deviceAttestation(_:failedForDevice:error:))

[`func deviceAttestationCompleted(for: MTRDeviceController, opaqueDeviceHandle: UnsafeMutableRawPointer, attestationDeviceInfo: MTRDeviceAttestationDeviceInfo, error: (any Error)?)`](/documentation/Matter/MTRDeviceAttestationDelegate/deviceAttestationCompleted(for:opaqueDeviceHandle:attestationDeviceInfo:error:))

[`func deviceAttestationFailed(for: MTRDeviceController, opaqueDeviceHandle: UnsafeMutableRawPointer, error: any Error)`](/documentation/Matter/MTRDeviceAttestationDelegate/deviceAttestationFailed(for:opaqueDeviceHandle:error:))

## Relationships

### Inherits From

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

---

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