---
title: MTRClusterTestClusterAttributeNullableInt64uID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrattributeidtype/mtrclustertestclusterattributenullableint64uid
---

# MTRClusterTestClusterAttributeNullableInt64uID

## Declaration

```swift
static var MTRClusterTestClusterAttributeNullableInt64uID: MTRAttributeIDType { get }
```