LOOP AT mt_range REFERENCE INTO lr_range.
        ls_vrm-key = lr_range->range_id.
        ls_vrm-text = lr_range->range_name.
        APPEND ls_vrm TO lt_vrm.
      ENDLOOP.

      CALL FUNCTION 'VRM_SET_VALUES'
        EXPORTING
          id     = 'ZWA_RANGE_HEAD-RANGE_ID'
          values = lt_vrm
        EXCEPTIONS
          OTHERS = 0.