# CycleStart Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.diagnostics.activationrebalancerevents.cyclestart/)

## CycleStart(SiloAddress, int) {#constructor-orleans-runtime-siloaddress-int-90b8c7ab}

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Diagnostics/ActivationRebalancerEvents.cs#L46-L51)

```csharp
public CycleStart(SiloAddress siloAddress, int cycleNumber)
```

Event payload for when a rebalancing cycle starts.

### Parameters

- `siloAddress` (`SiloAddress`): The address of the silo hosting the rebalancer.
- `cycleNumber` (`int`): The cycle number within the current session.