---
title: "startAction(with:completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusteractions/startaction(with:completionhandler:)"
---

# startAction(with:completionHandler:)

## Declaration

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

```swift
func startAction(with params: MTRActionsClusterStartActionParams) async throws
```