Hi Paulette--
It should appear in your copy of the Arbortext Help Center. In Arbortext, select Help->Help Center from the menus. In the Table of Contents, there will be a top-level section called Programming. Inside there is lots of good stuff, including the Programmer's Reference.
--Clay
Clay Helberg
Senior Consultant
TerraXML
1380 Forest Park Circle, Suite 100
Lafayette, CO 80027