price read - how to use correct guid

Created by Wang, Jerry, last modified on Feb 19, 2016

CALL FUNCTION 'CRM_LINK_GET_OW'
    EXPORTING
      iv_guid_hi               = iv_ref_guid
      iv_objname_hi            = lv_objname_hi
      iv_objname_set           = gc_object_name-pricing
      iv_inherit_from_str      = true
    IMPORTING
      ev_guid_set              = lv_guid