---
title: "readAttributeUpdateState(completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterotasoftwareupdaterequestor-9n6nb/readattributeupdatestate(completion:)"
---

# readAttributeUpdateState(completion:)

## Declaration

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

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