Using the Transaction Authorization exit routine (DFSCTRN0)
You can use the Transaction Authorization exit routine
(DFSCTRN0) to check the validity of a transaction that is entered
by a user who signed on using the /SIGN
command.
You can use the Transaction Authorization exit routine in conjunction with RACF®.
Related reading: For more information on using the Transaction Authorization exit routine (DFSCTRN0), see IMS Version 15.4 Exit Routines.