function ConnectLensShader( in_preset )
{
        // Set up a scene with a couple lights and a camera
        NewScene( null, false );
        GetPrimLight("Neon.Preset", "Neon");
        GetPrimLight("LightFlat.Preset");
        GetPrimCamera("Telephoto", "camera");
        
        // Plug in the new lens shader
        SIAddArrayElement("camera1.camera.lensshader");
        var oShaderList = InsertShader(in_preset, "camera1.camera.Item");
        
        // InsertShader returns a collection, which we can use to build a convenient string
        var sInputObjs = "camera1.camera."+oShaderList(0).Name+".lights";
        
        // Now connect the two lights into the light list
        SIAddArrayElement(sInputObjs);
        SetReference2(sInputObjs+".lights", "light1", null);
        SIAddArrayElement(sInputObjs);
        SetReference2(sInputObjs+".lights[1]", "Neon", null);
        
        // Return the lens shader
        return oShaderList(0);
}

function ConnectLensShader2( in_preset )
{
        NewScene( null, false );
        var obj = Application.ActiveSceneRoot.AddCamera( "Telephoto", "MyTestNode" );
        obj.AddMaterial( in_preset, true, "MyTestNode" ); 
        var oShader = Dictionary.GetObject("MyTestNode.camera.MyTestNode");
        return oShader;
}