You can adapt the assembler language syntax shown here to your computer language such as C, COBOL or PL/I:

>>-+-------+--CALL--IECTRKAD--,--(--operation--,--cchh1--------->
   '-label-'                                              

>--+----------+--+-----------+--,--returncode------------------->
   '-,--cchh2-'  '-,--number-'                  

>--,--reasoncode--)--------------------------------------------><