# RunConfiguration Constructors

- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Type: [RunConfiguration](/reference/api/csharp/aspire.hosting/runconfiguration.md)
- Kind: `Constructors`
- Members: `1`

Holds settings applicable to the AppHost run mode (when [DistributedApplicationExecutionContext.Operation](/reference/api/csharp/aspire.hosting/distributedapplicationexecutioncontext/properties.md#operation) is [DistributedApplicationOperation.Run](/reference/api/csharp/aspire.hosting/distributedapplicationoperation/fields.md)).

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## RunConfiguration

- Name: `Constructor`

```csharp
public sealed class RunConfiguration
{
    public RunConfiguration()
    {
        // ...
    }
}
```