anchor.diff:  
     METHOD handle_function.
   
  -    CONSTANTS: BEGIN OF lc_parameter_type,
  -                 import TYPE vepparamtype VALUE 'I',
  -                 export TYPE vepparamtype VALUE 'O',
  -               END OF lc_parameter_type.
  +
   
       DATA: li_parameter TYPE REF TO if_ws_md_vif_param,
             li_soap      TYPE REF TO if_ws_md_soap_ext_func,
  
positive.code:                  ig_data = ls_webi ).
  
    ENDMETHOD.
  ENDCLASS.
  
negative.code: 
        LOOP AT is_webi-pvepfuncsoapext ASSIGNING <ls_soap>
            WHERE function = <ls_function>-function.
          IF li_function->has_soap_extension_function( 'I' ) = abap_true.
            li_function->delete_soap_extension_function( ).
          ENDIF.
          li_soap = li_function->create_soap_extension_function( ).
          li_soap->set_soap_request_name( <ls_soap>-requestname ).
          li_soap->set_soap_response_name( <ls_soap>-responsename ).
  