Abstract: Provided are techniques for dynamic assignment of business logic based on schema mapping metadata. A first transformation is performed using a simplified map and a structural transformation map that maps attributes between a source system and a target system to generate simplified map data that includes source attribute and target attribute pairs. A document that includes combined data is generated using the simplified map data and source system metadata containing contextual values of the source system. A second transformation is performed to generate transformed contextual metadata containing contextual values for the target system using a contextual metadata transformation map and the combined data.