---
title: clusterUnitTestingAttributeNullableInt48uID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrattributeidtype/clusterunittestingattributenullableint48uid
---

# clusterUnitTestingAttributeNullableInt48uID

## Declaration

```swift
static var clusterUnitTestingAttributeNullableInt48uID: MTRAttributeIDType { get }
```