To add a script
- If the Scripter window is not already open, click Animation tab  Script panel Script panel Scripter Scripter . .
- Right-click in the script view, and click Add New Script on the context menu. 
- Click the default script name, and type in a new name. Tip: Use names that can help you to identify your scripts in future.  
 Pointing device: Click 

 at the bottom of the tree view.