---
title: clusterUnitTestingAttributeNullableInt48sID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrattributeidtype/clusterunittestingattributenullableint48sid
---

# clusterUnitTestingAttributeNullableInt48sID

## Declaration

```swift
static var clusterUnitTestingAttributeNullableInt48sID: MTRAttributeIDType { get }
```