PFC documentation includes:

PFC User's Guide  Includes PFC basics, PFC tutorial and usage information for PFC services

PFC Object Reference  Includes usage and syntax for PFC objects, instance variables, events, and functions

PFC online Help  Includes all information in the PFC Object Reference

The PFC User's Guide and PFC Object Reference are available in the Powersoft Online Books. To use the Powersoft Online Books, you must have installed software on your workstation, and have access to the files containing the Online Books (typically either on the PowerBuilder Resource CD or a network drive).