---
title: "readAttributeBatReplaceability(completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterpowersource/readattributebatreplaceability(completionhandler:)"
---

# readAttributeBatReplaceability(completionHandler:)

## Declaration

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

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