thanks for your time
here's video, i wanna try myself, i have large list of implementation that i wanna do :) starting teaching scripting.
https://youtu.be/xr6WBeHbzK0?t=12m43s

clone selected objects

#include "GetObjects.js"
function cloneObj() {

var gd = moi.geometryDatabase;
var gds = gd.getSelectedObjects();
gd.deselectAll();
for ( var i = 0; i < gds.length; ++i ){
var newclone = gds.item(i).clone();
gd.addObject(newclone);
newclone.selected = true;
}
}
cloneObj();