# CycleStart

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/ActivationRebalancerEvents.cs#L44)

```csharp
public sealed class CycleStart : RebalancerEvent
```

Event payload for when a rebalancing cycle starts.

## Constructors

- [CycleStart(SiloAddress, int)](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.diagnostics.activationrebalancerevents.cyclestart/constructors/constructor-orleans-runtime-siloaddress-int-90b8c7ab/)

## Fields

- [CycleNumber](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.diagnostics.activationrebalancerevents.cyclestart/fields/cyclenumber-f2f8d5b2/)