CLASS {{p}}cx_heli_invalid DEFINITION PUBLIC INHERITING FROM cx_static_check FINAL CREATE PUBLIC. PUBLIC SECTION. CONSTANTS: BEGIN OF co_reason, passengers TYPE string VALUE 'PASSENGERS', minutes TYPE string VALUE 'MINUTES', END OF co_reason. DATA mv_reason TYPE string READ-ONLY. METHODS constructor IMPORTING iv_reason TYPE string. ENDCLASS. CLASS {{p}}cx_heli_invalid IMPLEMENTATION. METHOD constructor. super->constructor( ). mv_reason = iv_reason. ENDMETHOD. ENDCLASS.