sap script standard text- how to find for vf03

From vf03, enter billing doc no and press enter.
Select on a line item.Click on items and then text.



Then select the text desired and double click.




Click GoTo - Header.




The info for calling the the text in sapscript is here.

The code will be some sort like :
INCLUDE &VBDPR-TDNAME& OBJECT VBBP ID 0001 NEW-PARAGRAPH IT

Enjoy.