---
title: "testStructArrayArgumentRequest(with:completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustertestcluster/teststructarrayargumentrequest(with:completionhandler:)"
---

# testStructArrayArgumentRequest(with:completionHandler:)

## Declaration

```swift
func testStructArrayArgumentRequest(with params: MTRTestClusterClusterTestStructArrayArgumentRequestParams, completionHandler: @escaping @Sendable (MTRTestClusterClusterTestStructArrayArgumentResponseParams?, (any Error)?) -> Void)
```

```swift
func testStructArrayArgumentRequest(with params: MTRTestClusterClusterTestStructArrayArgumentRequestParams) async throws -> MTRTestClusterClusterTestStructArrayArgumentResponseParams
```