---
title: clusterUnitTestingAttributeNullableInt64sID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrattributeidtype/clusterunittestingattributenullableint64sid
---

# clusterUnitTestingAttributeNullableInt64sID

## Declaration

```swift
static var clusterUnitTestingAttributeNullableInt64sID: MTRAttributeIDType { get }
```