---
title: "triggerEffect(with:completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusteridentify/triggereffect(with:completionhandler:)"
---

# triggerEffect(with:completionHandler:)

## Declaration

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

```swift
func triggerEffect(with params: MTRIdentifyClusterTriggerEffectParams) async throws
```