public Subnetwork EnableController( 
   Tier tier,
   Element device,
   string subnetworkName,
   string controllerName,
   string description,
   string notes
)

{
  // This routine demonstrates the life cycle of a mesh subnetwork with multiple controllers
  static void MeshNetworkLifeCycle(SubnetworkManager subnetworkManager, Tier lowVoltageMeshTier,
  Element elementM1, Element elementM2, Element elementM3)
  {
    // Create a subnetwork named "Mesh1" from three controllers
    // elementM1, elementM2, and elementM3 represent the devices that serve as subnetwork controllers (e.g., network protectors)
    subnetworkManager.EnableController(lowVoltageMeshTier, elementM1, "Mesh1", "M1", "my description", "my notes");
    subnetworkManager.EnableController(lowVoltageMeshTier, elementM2, "Mesh1", "M2", "my description", "my notes");
    Subnetwork subnetworkMesh1 = subnetworkManager.EnableController(lowVoltageMeshTier, elementM3, "Mesh1", "M3",
      "my description", "my notes");
    subnetworkMesh1.Update();
    MapView.Active.Redraw(true);

    // ...

    // When deleting the subnetwork, each controller must be disabled before the subnetwork itself is deleted
    subnetworkManager.DisableControllerInEditOperation(elementM1);
    subnetworkManager.DisableControllerInEditOperation(elementM2);
    subnetworkManager.DisableControllerInEditOperation(elementM3);

    // After the subnetwork is deleted, all of the rows that have been labeled with the subnetwork ID need to be updated
    subnetworkMesh1.Update();
    MapView.Active.Redraw(true);

    // The final step is to notify external systems (if any) by exporting the subnetwork
    SubnetworkExportOptions subnetworkExportOptions = new SubnetworkExportOptions()
    {
      SetAcknowledged = true,
      IncludeDomainDescriptions = true,
      IncludeGeometry = true,
      ServiceSynchronizationType = ServiceSynchronizationType.Asynchronous,

      SubnetworkExportResultTypes = new List<SubnetworkExportResultType>()
      {
        SubnetworkExportResultType.Features
      }

      // Set networks attributes and attribute fields to export
      //ResultNetworkAttributes = new List<NetworkAttribute>(networkAttributes),

      //ResultFieldsByNetworkSourceID = new Dictionary<int, List<string>>()
      //  { { electricDevice.ID, new List<string>() { "AssetID" } } }

    };
    subnetworkMesh1.Export(new Uri($"{Path.GetTempPath()}SubnetworkExportResult.json"), subnetworkExportOptions);
  }
}