CHANGEDOCUMENT READ HEADERS

call function 'CHANGEDOCUMENT_READ_HEADERS'
exporting
  date_of_change = cdhdr-udate
  objectclass = cdhdr-objectclas
  objectid = cdhdr-objectid
  time_of_change = '000000'
  username = cdhdr-username
tables
  i_cdhdr = gt_cdhdr
exceptions
  no_position_found = 1
  wrong_access_to_archive = 2
  time_zone_conversion_error = 3
  others = 4.