# LifecycleParticipantExtensions Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.lifecycleparticipantextensions/)

## ParticipateIn(ILifecycleParticipant<ILifecycleObservable>) {#participatein-1-this-orleans-ilifecycleparticipant-orleans-ilifecycleobservable-5580c1de}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.lifecycleparticipantextensions/methods/participatein-1-this-orleans-ilifecycleparticipant-orleans-ilifecycleobservable-5580c1de/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core/Lifecycle/ClusterClientLifecycleExtensions.cs#L18)

```csharp
public static ILifecycleParticipant<TLifecycle> ParticipateIn<TLifecycle>(this ILifecycleParticipant<ILifecycleObservable> participant)
```

Conforms components written to participate with any [ILifecycleObservable](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.ilifecycleobservable/) to take part in specific lifecycles.

### Parameters

- `participant` (`ILifecycleParticipant<ILifecycleObservable>`): The lifecycle participant.

### Returns

An adapter wrapped around `participant` which implements `Orleans.ILifecycleParticipant-1`.