SAP Program to fetch fields from vbap standard table and show up to 20 records

PROGRAM: 

REPORT ZSM_SMARTFORM_FOUR.

TYPES: BEGIN OF str,

  vbeln TYPE vbap-vbeln,

  posnr TYPE vbap-posnr,

  matnr TYPE vbap-matnr,

  matkl TYPE vbap-matkl,

  netwr TYPE vbap-netwr,

  END OF str.

  DATA: it TYPE STANDARD TABLE OF str.

  select vbap~vbeln vbap~posnr vbap~matnr vbap~matkl vbap~netwr FROM vbap into TABLE it UP TO 20 ROWS.

    CALL FUNCTION '/1BCDWB/SF00000489'

*    EXPORTING

*       ARCHIVE_INDEX              =

*       ARCHIVE_INDEX_TAB          =

*       ARCHIVE_PARAMETERS         =

*       CONTROL_PARAMETERS         =

*       MAIL_APPL_OBJ              =

*       MAIL_RECIPIENT             =

*       MAIL_SENDER                =

*       OUTPUT_OPTIONS             =

*       USER_SETTINGS              = 'X'

*     IMPORTING

*       DOCUMENT_OUTPUT_INFO       =

*       JOB_OUTPUT_INFO            =

*       JOB_OUTPUT_OPTIONS         =

      TABLES

        zsm_internal_three         = it

     EXCEPTIONS

       FORMATTING_ERROR           = 1

       INTERNAL_ERROR             = 2

       SEND_ERROR                 = 3

       USER_CANCELED              = 4

       OTHERS                     = 5

              .

    IF sy-subrc <> 0.

* Implement suitable error handling here

    ENDIF.

Output: