# ObserverCompleted

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

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Core) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core/Diagnostics/ClientLifecycleEvents.cs#L167)

```csharp
public sealed class ObserverCompleted : LifecycleEvent
```

Event payload for when a lifecycle observer has completed successfully.

## Constructors

- [ObserverCompleted(string, int, string, SiloAddress, TimeSpan, ILifecycleObserver)](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.core.diagnostics.clientlifecycleevents.observercompleted/constructors/constructor-string-int-string-orleans-runtime-siloaddress-system-timespan-orlean-a90bd160/)

## Fields

- [Elapsed](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.core.diagnostics.clientlifecycleevents.observercompleted/fields/elapsed-a0007eea/)
- [Observer](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.core.diagnostics.clientlifecycleevents.observercompleted/fields/observer-fddecf1a/)
- [ObserverName](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.core.diagnostics.clientlifecycleevents.observercompleted/fields/observername-4d68e723/)