# ClusterMembershipUpdate

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/MembershipService/ClusterMembershipUpdate.cs#L10)

```csharp
[Orleans.GenerateSerializer]
[Orleans.Immutable]
public sealed class ClusterMembershipUpdate
```

Represents a cluster membership snapshot and changes from a previous snapshot.

## Constructors

- [ClusterMembershipUpdate(ClusterMembershipSnapshot, ImmutableArray<ClusterMember>)](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.clustermembershipupdate/constructors/constructor-orleans-runtime-clustermembershipsnapshot-system-collections-immutab-50bbd8cb/)

## Properties

- [Changes](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.clustermembershipupdate/properties/changes-476e85f5/)
- [HasChanges](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.clustermembershipupdate/properties/haschanges-5268950e/)
- [Snapshot](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.clustermembershipupdate/properties/snapshot-4f54ec15/)