# LifecycleEvent.LifecycleEvent(int, string, SiloAddress?)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.diagnostics.silolifecycleevents.lifecycleevent/) | [Constructors](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.diagnostics.silolifecycleevents.lifecycleevent/constructors/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Runtime/Diagnostics/SiloLifecycleEvents.cs#L30-L48)

```csharp
protected LifecycleEvent(int stage, string stageName, SiloAddress? siloAddress)
```

The base class used for lifecycle diagnostic events.

### Parameters

- `stage` (`int`)
- `stageName` (`string`)
- `siloAddress` (`SiloAddress?`)