Watermark During Convert to PDF task

How would I go about adding a watermark to our PDFs during the Convert to PDF task?  I am a total beginner when it comes to the scripting stuff.  I assume in the Advanced Scripting Options in EPDM, is where I would do it?

I simply want the watermark to be:

Printed Copies Uncontrolled

45 degree Rotation

15% Opacity

Any help would be greatly appreciated.

Thanks!

SolidworksAdministration