Help!!!!! I write this script

var a = LL.getCurrentDesktop();

var m = a.getPositionX();

a.getItemByLabel(“hello”).setPosition(a,0);

And label icon on desktop as hello but it is not doing anything

Can anyone tell me how do I teach myself script codes in lighting launcher.

Do anyone have downloaded zunish Theme from play store. If u have downloaded plzz share the apk with me using Google drive cause my playstore is block.