Check delivery status

To check the delivery status of an order the following code can be used:

*Get all the schedule details by doing
SELECT * INTO TABLE xvbap FROM vbap
  WHERE vbeln = '7500000028'
  AND posnr = '000010'.
SELECT * INTO TABLE xvbup FROM vbup
  WHERE vbeln = '7500000028'
  AND posnr = '000010'.
SELECT * INTO TABLE xvbfa FROM vbfa
  WHERE vbelv = '7500000028'
  AND posnv = '000010'
  AND vbtyp_n = 'J'.
SELECT * INTO TABLE da_vbep FROM vbep
  WHERE vbeln = '7500000028'
  AND posnr = '000010'.
CALL FUNCTION 'RV_SCHEDULE_CHECK_DELIVERIES'
  EXPORTING
    fbeleg = '7500000028'
    fposnr = '000010'
* FVERRECHNUNG = ' '
* FS073_ALT = ' '
* IF_NO_SORT = ' '
  TABLES
    fvbfa = xvbfa
    fvbup = xvbup
    fxvbep = da_vbep
* FVBLB =
    fvbap = xvbap
  EXCEPTIONS
    fehler_bei_lesen_fvbup = 1
    fehler_bei_lesen_fxvbep = 2
  OTHERS = 3.