---
title: "testEventTrigger(with:completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustergeneraldiagnostics/testeventtrigger(with:completionhandler:)"
---

# testEventTrigger(with:completionHandler:)

## Declaration

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

```swift
func testEventTrigger(with params: MTRGeneralDiagnosticsClusterTestEventTriggerParams) async throws
```