---
title: "readAttributeDeviceList(completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterdescriptor/readattributedevicelist(completionhandler:)"
---

# readAttributeDeviceList(completionHandler:)

## Declaration

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

```swift
func readAttributeDeviceList() async throws -> [Any]
```