---
title: "readAttributeGroupKeyMap(with:completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustergroupkeymanagement/readattributegroupkeymap(with:completion:)"
---

# readAttributeGroupKeyMap(with:completion:)

## Declaration

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

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