When you generate a COBOL program for a CICS® environment, the endCommArea build
descriptor option indicates whether to add a full word containing
the hexadecimal "FFFFFFFF" to the end of the COMMAREA on calls from
EGL-generated CICS COBOL programs.
Values
YES
Adds the hexadecimal "FFFFFFFF" to the end of the COMMAREA.
NO (the default value)
Does not add the hexadecimal "FFFFFFFF" to the end of the COMMAREA.