---
title: "readAttributeAcl(with:completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusteraccesscontrol/readattributeacl(with:completionhandler:)"
---

# readAttributeAcl(with:completionHandler:)

## Declaration

```swift
func readAttributeAcl(with params: MTRReadParams?, completionHandler: @escaping @Sendable ([Any]?, (any Error)?) -> Void)
```

```swift
func readAttributeAcl(with params: MTRReadParams?) async throws -> [Any]
```