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

# readAttributeUpdatePossible(completion:)

## Declaration

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

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