# LifecycleEvent

Package: [Microsoft.Orleans.Runtime](/orleans/docs/api/csharp/microsoft.orleans.runtime/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Runtime) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Diagnostics/GrainLifecycleEvents.cs#L30)

```csharp
public abstract class LifecycleEvent
```

The base class used for lifecycle diagnostic events.

## Fields

- [GrainContext](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.diagnostics.grainlifecycleevents.lifecycleevent/fields/graincontext-af8f9a5f/)