Designer Go to the Sap screen that you would like to modify and click on "WYSIWYG Editor" within the Script Editor Pro. 

All changes that you make on the SAP GUI screen will automatically update the current script.

In this mode you can do:
Create new screen elements Right-click on an empty spot on the Sap screen: A new dialog will pop-up where you can choose a new element and add it to the screen.

Move, delete or resize elements Click on an existing element or draw a rectangle around one or more elements. You can then move the selected elements, resize an element by dragging the symbol in the bottom-right corner or delete elements by pushing DEL on the keyboard.

Change properties Right-click on any existing element. A new dialog shows up that contains all specific properties for the chosen element.

Undo actions Press CTRL+Z to undo an action.