---
title: "testSimpleArgumentRequest(with:completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterunittesting/testsimpleargumentrequest(with:completion:)"
---

# testSimpleArgumentRequest(with:completion:)

## Declaration

```swift
func testSimpleArgumentRequest(with params: MTRUnitTestingClusterTestSimpleArgumentRequestParams, completion: @escaping @Sendable (MTRUnitTestingClusterTestSimpleArgumentResponseParams?, (any Error)?) -> Void)
```

```swift
func testSimpleArgumentRequest(with params: MTRUnitTestingClusterTestSimpleArgumentRequestParams) async throws -> MTRUnitTestingClusterTestSimpleArgumentResponseParams
```