Cicstslevel (value) displays a 6-character value identifying the version, release and modification level of the CICS Transaction Server for z/OS product under which the CICS region is running. The value is of the form vvrrmm, and CICS® Transaction Server Version 3 Release 2 returns 030200.
Release (value) (supported for compatibility only) displays a 4-digit number (value 0650 for this release of CICS TS) representing the level of the CICS code running this region.
This field is maintained for compatibility with previous releases of CICS only. As an exclusive element of CICS Transaction Server for z/OS, CICS does not have a product version and release number of its own. To determine the release number of the product, see the value displayed for CICSTSLEVEL.