---
title: "readAttributeInt24s(completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustertestcluster/readattributeint24s(completionhandler:)"
---

# readAttributeInt24s(completionHandler:)

## Declaration

```swift
func readAttributeInt24s(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)
```

```swift
func readAttributeInt24s() async throws -> NSNumber
```