Five 32-byte parameters (and corresponding read-only variables s_sessdata1-5) for general use by the user.
Session data common session parameters are applicable to these control statements: SYSTEM (see SYSTEM statement), PROFILE (see PROFILE statement), USER (see USER statement), TERMINAL (see TERMINAL statement), and APPL (see APPL statement).
SESSDATA1 data - SESSDATA5 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
See also STOPINH and STOP_INHERIT keywords.