Move clone to GROUP Module

i try to move the cloned object to “Module” collection with:
https://pasteboard.co/JJkNcWci.png
but it seems it fail…

app.ExternalInterface.addToGroup = function (objectToAdd,arrayToAddTo) {
var myObj = app.scene.getObjectByName(objectToAdd);
myObj.groupNames.push(arrayToAddTo);
}