Five 32-byte parameters (and corresponding read-only variables t_userdata1- 5) for general use by the user.
User data end-user parameters are applicable to these control statements: SYSTEM (see SYSTEM statement), PROFILE (see PROFILE statement), USER (see USER statement), and TERMINAL (see TERMINAL statement).
USERDATA1 data - USERDATA5 data
There is no validation on the data within these parameters. The 5th parameter will be displayed as asterisks in an OLA display or IBM Session Manager Administration Plug