---
title: clusterSmokeCOAlarmAttributeExpiryDateID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrattributeidtype/clustersmokecoalarmattributeexpirydateid
---

# clusterSmokeCOAlarmAttributeExpiryDateID

## Declaration

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