---
title: "readAttributeOperationalDatasetComponents(completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterthreadnetworkdiagnostics/readattributeoperationaldatasetcomponents(completionhandler:)"
---

# readAttributeOperationalDatasetComponents(completionHandler:)

## Declaration

```swift
func readAttributeOperationalDatasetComponents(completionHandler: @escaping @Sendable (MTRThreadNetworkDiagnosticsClusterOperationalDatasetComponents?, (any Error)?) -> Void)
```

```swift
func readAttributeOperationalDatasetComponents() async throws -> MTRThreadNetworkDiagnosticsClusterOperationalDatasetComponents
```