# DevelopmentClusterMembershipOptions.PrimarySiloEndpoint

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.developmentclustermembershipoptions/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.developmentclustermembershipoptions/properties/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Runtime/MembershipService/DevelopmentClusterMembershipOptions.cs)

```csharp
public IPEndPoint? PrimarySiloEndpoint
```

Gets or sets the seed node to find the membership system grain.