---
title: "readAttributeChannelList(completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterchannel/readattributechannellist(completionhandler:)"
---

# readAttributeChannelList(completionHandler:)

## Declaration

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

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