METHOD read_connection_para.
DATA: lt_values TYPE srm_list_string,
ls_value TYPE LINE OF srm_list_string.
CHECK gv_carrid IS INITIAL.
lt_values
= me->if_srm_connection_attr~get_string_value(
'CARRIER_ID' ).
* CARRIER_ID kann immer nur einwertig sein
LOOP AT lt_values INTO ls_value.
ENDLOOP.
gv_carrid = ls_value-value.
ENDMETHOD.