Variable mapping for COBOL
Check which types you can use for rule and ruleset variables, and how each type maps to COBOL.
Note: 
Deprecated feature: The
COBOL code generation feature is deprecated in V8.5. This feature
will be removed in a future release of the product. Use the COBOL
Generation Project Migration wizard to migrate your Rules
for COBOL project to a zRule
Execution Server for z/OS® compatible
rule project. See Deprecated features for migration
details.