... class
et_data type ref to data -> table with characteristics data for all objects assigned to class
e_tablestr type ref to cl_abap_tabledescr -> table type structure
e_structure type ...
... data, then I will use FM BAPI_CHARACT_GETDETAIL to read the characteristics and in each step I'll be using classes cl_abap_elemdescr, cl_abap_structdescr and cl_abap_tabledescr to create the structure ...