The value of the User_exit parameter must be identical to the name of your user exit module and is restricted to the following:
Must be a maximum of 8 characters, all uppercase
When processing the configuration file, Replication Agent automatically
changes the case of the User_exit parameter
value to upper case.
Must begin with an alphabetic character
Must be a valid module name on MVS
Must be the name of the user exit module located in your LINKLIB