We presented last week an important asset we have developed to integrate a predictive scoring with business rules and chatbot for doing product recommendation. This open source content, visible at https://github.com/ibm-cloud-architecture/refarch-cognitive-prod-recommendations , and includes how to use IBM Decision Composer to start modeling decision with Decision Model Notation, and move the content to IBM Operational Decision Management. Then we modified the data model and implement product recommendation rules. We highlight how to deploy ODM On IBM Cloud Private the Kubernetes platform, how to implement ODM simulation to find the best rules implementation to improve business impacts, and how to leverage churn scoring to propose discount. This asset explains the integration with a chatbot developed with Watson Assistant, and a larger solution, named "green compute" , which addresses a solution implementation and analytics reference architecture. The use case is detail