Methods and apparatus, including computer program products, are provided for a mockup business object. The mockup business object implemented within a computer framework including other business objects. In one exemplary embodiment, the method may include generating, within the computer framework, the mockup business object based on a metadata stored within the computer framework, when the mockup business object does not exist within the computer framework. The method may also include determining whether a structure of the mockup business object has changed based on the metadata, when the mockup business object does exist within the computer framework. Moreover, the method may include modifying the mockup business object based on the result of the determining step.