# Interface ISingleServerSettingsSource OptimaJet.Workflow.Core.Runtime.Settings.ISingleServerSettingsSource Provides server settings operations for [SingleServerSettings](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Settings/SingleServerSettings/). Namespace: [OptimaJet.Workflow.Core.Runtime.Settings](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Settings/) ```csharp public interface ISingleServerSettingsSource : IServerSettingsSource ``` ## Type Hierarchy - ISingleServerSettingsSource Current type - Base interfaces - [IServerSettingsSource](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Settings/IServerSettingsSource-T/) - Implementing types - [DefaultSingleServerSettingsSource](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Settings/DefaultSingleServerSettingsSource/) - [InMemorySingleServerSettingsSource](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Settings/InMemorySingleServerSettingsSource/) [Previous IServerSettingsSource](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Settings/IServerSettingsSource-T/) [Next MultiServerSettings](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime.Settings/MultiServerSettings/)