---
title: clusterUnitTestingCommandTestComplexNullableOptionalResponseID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrcommandidtype/clusterunittestingcommandtestcomplexnullableoptionalresponseid
---

# clusterUnitTestingCommandTestComplexNullableOptionalResponseID

## Declaration

```swift
static var clusterUnitTestingCommandTestComplexNullableOptionalResponseID: MTRCommandIDType { get }
```