Fuente: Wipo "digitalization" A building system of a building operates to select an instance of one or more entities of one or more particular entity types from a digital twin of the building for creating a policy function, the digital twin including representations of entities of the building and relationships between the entities of the building. The building system operates to perform an optimization that selects one or more inputs of inputs associated with the one or more entities for input to the policy function, selects one or more actions of actions associated with the one or more entities that are outputs of the policy function, and identifies one or more parameters for the policy function. The building system operates to deploy the policy function for the one or more entities by causing the digital twin to include the policy function.