If the ALLOW WORKSTATION DELETES option is on, a user exit is called and if it exists, it will be passed the following 1 parameter address:
You may write your own user exit in COBOL if you desire. The name of the program must be MFMONPDL.
IDENTIFICATION DIVISION. PROGRAM-ID. MFMONPDL. ENVIRONMENT DIVISION. CONFIGURATION SECTION. SOURCE-COMPUTER. IBM-PC. OBJECT-COMPUTER. IBM-PC. DATA DIVISION. LINKAGE SECTION. 01 P-WORKSTATION PIC X(256). PROCEDURE DIVISION USING P-WORKSTATION. *> EXECUTE CODE HERE GOBACK.