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

# testSpecific(with:completionHandler:)

## Declaration

```swift
func testSpecific(with params: MTRTestClusterClusterTestSpecificParams?, completionHandler: @escaping @Sendable (MTRTestClusterClusterTestSpecificResponseParams?, (any Error)?) -> Void)
```

```swift
func testSpecific(with params: MTRTestClusterClusterTestSpecificParams?) async throws -> MTRTestClusterClusterTestSpecificResponseParams
```