The goal of this activity is to build the rule set at a level useful to validate the integration with the core business application. The process is simple and includes recurring tasks as outlined by the following process map

The tasks are

• Defining what is a rule set
• Put in place an continuous integrated build process which can extract a rule set and execute the suite of tests on it automatically.
• Develop unit tests
• Develop rules
• Execute rules
• Enhance the object models
• Log issues
• Persist the repository in change control