---
title: "readAttributeChannelList(withAttributeCache:endpoint:queue:completionHandler:)"
framework: matter
role: symbol
role_heading: Type Method
path: "matter/mtrbaseclusterchannel/readattributechannellist(withattributecache:endpoint:queue:completionhandler:)"
---

# readAttributeChannelList(withAttributeCache:endpoint:queue:completionHandler:)

## Declaration

```swift
class func readAttributeChannelList(withAttributeCache attributeCacheContainer: MTRAttributeCacheContainer, endpoint: NSNumber, queue: dispatch_queue_t, completionHandler: @escaping @Sendable ([Any]?, (any Error)?) -> Void)
```

```swift
class func readAttributeChannelList(withAttributeCache attributeCacheContainer: MTRAttributeCacheContainer, endpoint: NSNumber, queue: dispatch_queue_t) async throws -> [Any]
```