NewScene( null, false );
var oRoot = Application.ActiveSceneRoot;
var oNull = oRoot.AddNull( "MyNull" );
// Put the Null in a model
oRoot.AddModel( oNull, "ModelForNull" );
// Create 3 objects and put them in an XSICollection
var oCollection = XSIFactory.CreateActiveXObject( "XSI.Collection" );
oCollection.Add( oRoot.AddNull("AnotherNull") );
oCollection.Add( oRoot.AddPrimitive("Camera") );
oCollection.Add( oRoot.AddGeometry("Sphere", "MeshSurface") );
// Put all of these objects into another Model
oRoot.AddModel( oCollection, "ModelForOtherStuff" );
// Create a model with nothing in it
oCollection.RemoveAll();
oRoot.AddModel( oCollection, "EmptyModel" );

Option Explicit
NewScene , false
main()
sub main()
        dim oRoot
        set oRoot = Application.ActiveProject.ActiveScene.Root
        oRoot.AddModel oRoot.Children, "Sally" 
        WriteModels oRoot
end sub
function WriteModels( in_obj )
        dim list, n, i, mdls
        set mdls = in_obj.Models(0)
        n = mdls.Count
        if n = 0 then
                exit function
        end if
        for i=0 to n-1
                Application.LogMessage mdls(i).Name
                WriteModels mdls(i)
        next
end function
' Expected results:
'INFO : Sally