---
title: "readAttributeStructAttr(completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustertestcluster/readattributestructattr(completionhandler:)"
---

# readAttributeStructAttr(completionHandler:)

## Declaration

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

```swift
func readAttributeStructAttr() async throws -> MTRTestClusterClusterSimpleStruct
```