ADASAF - USER EXIT 7 ¿Somebody understands the meaning ?

In postlist of execution of a ADASEL in mainframe protected by ADASAF I am with legend
USER EXIT 7 (ADASAF) ACTIVE
I did not find any reference in Software AG manuals that explain the meaning.
Somebody understands the meaning, or knows where this explained east subject?
Thanks

this message indicates that the Database is security protected by ADASAF.