---
title: clusterUnitTestingAttributeNullableInt32uID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrattributeidtype/clusterunittestingattributenullableint32uid
---

# clusterUnitTestingAttributeNullableInt32uID

## Declaration

```swift
static var clusterUnitTestingAttributeNullableInt32uID: MTRAttributeIDType { get }
```