As we have seen in recent discussions on Linked in about, Mainframe career,one good point we can make a note of it.
The next-gen career depends on how mainframe can be integrated into modern applications.
There are various methods using to integrate CICS into other modern systems. That is why IBM made CICS as transaction server with Web services supporting tool. Then the point is CICS wrapper program needed to call service modules.
CICS wrapper program will get data into COMMAREA, then, this wrapper calls service module to process further.
Here is the sample code for CICS wrapper program.