# ActivationRebalancerExtensions.AddActivationRebalancer(ISiloBuilder)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.hosting.activationrebalancerextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.hosting.activationrebalancerextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Hosting/ActivationRebalancerExtensions.cs)

```csharp
[System.Diagnostics.CodeAnalysis.Experimental(ORLEANSEXP002)]
public static ISiloBuilder AddActivationRebalancer<TProvider>(this ISiloBuilder builder)
```

Enables activation rebalancing for the entire cluster.

### Parameters

- `builder` (`ISiloBuilder`)