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BAL reference
A reference guide to the Business Action Language (BAL), which is used to author rules in IBM BPM, is available in the IBM WebSphere ILOG JRules InfoCenter.
The BAL language reference topics list the predefined BAL constructs that you can use to build business rules, and the operators that you can use in rule statements to perform arithmetic operations, associate or negate conditions, and compare expressions. For more information, refer to the related topics in the IBM WebSphere ILOG JRules InfoCenter, in the section "Business Action Language (BAL)." A related link is provided.
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