---
title: nullableStruct
framework: matter
role: symbol
role_heading: Instance Property
path: matter/mtrunittestingclustertestcomplexnullableoptionalrequestparams/nullablestruct
---

# nullableStruct

## Declaration

```swift
@NSCopying var nullableStruct: MTRUnitTestingClusterSimpleStruct? { get set }
```