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 # Field OnTestRunRequested

 Last update: 19.06.2026 

Namespace: [Phoenix.BuilderUIClient](Phoenix.BuilderUIClient.md)  
Assembly: Phoenix.BuilderUIClient.dll

## OnTestRunRequested

Event handler in the class that creates this session manager to use to subscribe to the `Phoenix.ComponentAPI.IHarnessBuilderUISession.TestRunRequested` event for builder UIs. Can be null if no event handler is needed.

```csharp
public EventHandler OnTestRunRequested


```

### Field Value

[EventHandler](https://learn.microsoft.com/dotnet/api/system.eventhandler)