In this chapter, you will learn how to define and use ISPF variables. ISPF variables are either automatically known in REXX programs or they can be made known there.
If you intend to use a defined variable in REXX source code and in the called ISPF services, then the variable name must not be longer than eight characters.
The variables of the ISPF services are an important part of ISPF. Dialog variables are the primary communicator between the individual components of ISPF. Programs, procedures, panels, tables and skeletons can all share the variables from the three ISPF variable pools. The three ISPF ...