PSE 18 scripts: who to show window for input

I work with PSE 2018 on WIN10/64bit

Using scriptingListener I have recorded some steps. Here I show an extrakt, which reflects the problem.

The steps when working manually:

1) duplicate a layer with a picture to edit   2) apply/open Gaussian Blur; this opens a window in which I can set the Parameter (Pixel) for the blur and after   3) enter  the Blur will be done.

The Skript that I get with scriptingListener is (after some simplifying edits):

/*
<javascriptresource>
<name>test</name>
<about>creates 16 bit levels adjustment layer</about>
<category>Layers</category>
<menu>automate</menu>
</javascriptresource>
*/

// == duplicate Layer =====================================================
var idCpTL = charIDToTypeID( "CpTL" );
executeAction( idCpTL, undefined, DialogModes.NO );

// == Gaussian Blur ======================================================
var idGsnB = charIDToTypeID( "GsnB" );
var desc5 = new ActionDescriptor();
var idRds = charIDToTypeID( "Rds " );
var idPxl = charIDToTypeID( "#Pxl" );
desc5.putUnitDouble( idRds, idPxl, 15.000000 );
executeAction( idGsnB, desc5, DialogModes.NO );

This runs fine, but it does not stop to show the Input-window for the Gaussian Blur. So I cannot change the Parameter.

Which changes do I have to make this work.

Note: My problem is the same for all Filters, adjustment layers etc which request input.

TIA         volail