---
title: clusterUnitTestingAttributeNullableInt56uID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrattributeidtype/clusterunittestingattributenullableint56uid
---

# clusterUnitTestingAttributeNullableInt56uID

## Declaration

```swift
static var clusterUnitTestingAttributeNullableInt56uID: MTRAttributeIDType { get }
```