---
title: "testSpecific(completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterunittesting/testspecific(completion:)"
---

# testSpecific(completion:)

## Declaration

```swift
func testSpecific(completion: @escaping @Sendable (MTRUnitTestingClusterTestSpecificResponseParams?, (any Error)?) -> Void)
```

```swift
func testSpecific() async throws -> MTRUnitTestingClusterTestSpecificResponseParams
```