---
title: "keySetWrite(with:completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustergroupkeymanagement/keysetwrite(with:completionhandler:)"
---

# keySetWrite(with:completionHandler:)

## Declaration

```swift
func keySetWrite(with params: MTRGroupKeyManagementClusterKeySetWriteParams, completionHandler: @escaping @Sendable ((any Error)?) -> Void)
```

```swift
func keySetWrite(with params: MTRGroupKeyManagementClusterKeySetWriteParams) async throws
```