In order to be able to expand our reserve class, it would be necessary to create a Z implementation that will inherit from our class in order to be able to make the necessary expansions. This will be the case in which the mapping of the corresponding fields does not coincide with the standard mappings we offer (see functional file).
1. Create Enhancement Implementation
2. Create BAdI Implementation
3. Create Implementation Class inheriting from our reserve class
4. we activate the implementation and we already have our Z implementation to modify the mapping we want.
