[ABAP] Provide values of a domain in a dropdown list on selection screen

  
  PARAMETER p_test TYPE c OBLIGATORY AS LISTBOX VISIBLE LENGTH 32 DEFAULT 1.

  INITIALIZATION.

  cl_reca_ddic_doma=>get_values( EXPORTING id_name   = 'Z_MYDOMAIN'
                                 IMPORTING et_values = DATA(lt_rsdomaval) ).

  CALL FUNCTION 'VRM_SET_VALUES'
    EXPORTING
      id     = 'P_TEST'
      values = VALUE vrm_values( FOR dvalue IN lt_rsdomaval ( key  = dvalue-domvalue_l 
                                                              text = dvalue-ddtext ) ).