REPORT YMARK_ASD.
*source : https://scn.sap.com/thread/879625
PARAMETER: p_email1 LIKE somlreci1-receiver,
           p_sender LIKE somlreci1-receiver,
           p_delspl  AS CHECKBOX.



*DATA DECLARATION
DATA: gd_recsize TYPE i.


*Spool IDs
TYPES: BEGIN OF t_tbtcp.
        INCLUDE STRUCTURE tbtcp.
TYPES: END OF t_tbtcp.
DATA: it_tbtcp TYPE STANDARD TABLE OF t_tbtcp INITIAL SIZE 0,
      wa_tbtcp TYPE t_tbtcp.


*Job Runtime Parameters

DATA: gd_eventid LIKE tbtcm-eventid,
      gd_eventparm LIKE tbtcm-eventparm,
      gd_external_program_active LIKE tbtcm-xpgactive,
      gd_jobcount LIKE tbtcm-jobcount,
      gd_jobname LIKE tbtcm-jobname,
      gd_stepcount LIKE tbtcm-stepcount,
      gd_error    TYPE sy-subrc,
      gd_reciever TYPE sy-subrc.

DATA:  w_recsize TYPE i.

DATA: gd_subject   LIKE sodocchgi1-obj_descr,
      it_mess_bod LIKE solisti1 OCCURS 0 WITH HEADER LINE,
      it_mess_att LIKE solisti1 OCCURS 0 WITH HEADER LINE,
      gd_sender_type     LIKE soextreci1-adr_typ,
      gd_attachment_desc TYPE so_obj_nam,
      gd_attachment_name TYPE so_obj_des.

*Spool to PDF conversions

DATA: gd_spool_nr LIKE tsp01-rqident,
      gd_destination LIKE rlgrap-filename,
      gd_bytecount LIKE tst01-dsize,
      gd_buffer TYPE string.

*Binary store for PDF

DATA: BEGIN OF it_pdf_output OCCURS 0.
        INCLUDE STRUCTURE tline.
DATA: END OF it_pdf_output.


CONSTANTS: c_dev LIKE  sy-sysid VALUE 'DEV',
           c_no(1)     TYPE c   VALUE ' ',
           c_device(4) TYPE c   VALUE 'LOCL'.


START-OF-SELECTION.

do 10 times.
  WRITE 'Hello World'.
enddo  .
  new-page.
  commit work.
  new-page print off.


  IF sy-batch EQ 'X'.
    PERFORM get_job_details.
    PERFORM obtain_spool_id.
    PERFORM convert_spool_to_pdf.
    PERFORM process_email.

    if p_delspl EQ 'X'.
      PERFORM delete_spool.
    endif.

    IF sy-sysid = c_dev.
      wait up to 5 seconds.
      SUBMIT rsconn01 WITH mode   = 'INT'
                      WITH output = 'X'
                      AND RETURN.
    ENDIF.
  ELSE.
    SKIP.
    WRITE:/ 'Program must be executed in background in-order for spool',
            'request to be created.'.
  ENDIF.



*------------------------------------------------------------------------------------
*      FORM obtain_spool_id
*------------------------------------------------------------------------------------
FORM obtain_spool_id.
  CHECK NOT ( gd_jobname IS INITIAL ).
  CHECK NOT ( gd_jobcount IS INITIAL ).
  SELECT * FROM  tbtcp
                 INTO TABLE it_tbtcp
                 WHERE      jobname     = gd_jobname
                 AND        jobcount    = gd_jobcount
                 AND        stepcount   = gd_stepcount
                 AND        listident   <> '0000000000'
                 ORDER BY   jobname
                            jobcount
                            stepcount.

  READ TABLE it_tbtcp INTO wa_tbtcp INDEX 1.
  IF sy-subrc = 0.
    message s004(zdd) with gd_spool_nr.
    gd_spool_nr = wa_tbtcp-listident.
    MESSAGE s004(zdd) WITH gd_spool_nr.
  ELSE.
    MESSAGE s005(zdd).
  ENDIF.
ENDFORM.

*------------------------------------------------------------------------------------
*      FORM get_job_details
*------------------------------------------------------------------------------------
FORM get_job_details.
*Get current job details

  CALL FUNCTION 'GET_JOB_RUNTIME_INFO'
       IMPORTING
            eventid                 = gd_eventid
            eventparm               = gd_eventparm
            external_program_active = gd_external_program_active
            jobcount                = gd_jobcount
            jobname                 = gd_jobname
            stepcount               = gd_stepcount
       EXCEPTIONS
            no_runtime_info         = 1
            OTHERS                  = 2.
ENDFORM.

*------------------------------------------------------------------------------------
*      FORM convert_spool_to_pdf
*------------------------------------------------------------------------------------
FORM convert_spool_to_pdf.

  CALL FUNCTION 'CONVERT_ABAPSPOOLJOB_2_PDF'
       EXPORTING
            src_spoolid              = gd_spool_nr
            no_dialog                = c_no
            dst_device               = c_device
       IMPORTING
            pdf_bytecount            = gd_bytecount
       TABLES
            pdf                      = it_pdf_output
       EXCEPTIONS
            err_no_abap_spooljob     = 1
            err_no_spooljob          = 2
            err_no_permission        = 3
            err_conv_not_possible    = 4
            err_bad_destdevice       = 5
            user_cancelled           = 6
            err_spoolerror           = 7
            err_temseerror           = 8
            err_btcjob_open_failed   = 9
            err_btcjob_submit_failed = 10
            err_btcjob_close_failed  = 11

            OTHERS                   = 12.



  CHECK sy-subrc = 0.

*Transfer the 132-long strings to 255-long strings

  LOOP AT it_pdf_output.
    TRANSLATE it_pdf_output USING ' ~'.
    CONCATENATE gd_buffer it_pdf_output INTO gd_buffer.
  ENDLOOP.

  TRANSLATE gd_buffer USING '~ '.

  DO.
    it_mess_att = gd_buffer.
    APPEND it_mess_att.
    SHIFT gd_buffer LEFT BY 255 PLACES.
    IF gd_buffer IS INITIAL.
      EXIT.
    ENDIF.
  ENDDO.
ENDFORM.

*------------------------------------------------------------------------------------
*      FORM process_email
*------------------------------------------------------------------------------------
FORM process_email.
  DESCRIBE TABLE it_mess_att LINES gd_recsize.
  CHECK gd_recsize > 0.
  PERFORM send_email USING p_email1.
* perform send_email using p_email2.
ENDFORM.

*------------------------------------------------------------------------------------
*      FORM send_email
*------------------------------------------------------------------------------------
* -->  p_email
*------------------------------------------------------------------------------------

FORM send_email USING p_email.
  CHECK NOT ( p_email IS INITIAL ).
  REFRESH it_mess_bod.

*Default subject matter
  gd_subject         = 'Subject'.
  gd_attachment_desc = 'Attachname'.
 CONCATENATE 'attach_name' ' ' INTO gd_attachment_name.

  it_mess_bod        = 'Message Body text, line 1'.
  APPEND it_mess_bod.
  it_mess_bod        = 'Message Body text, line 2...'.
  APPEND it_mess_bod.


*If no sender specified - default blank
  IF p_sender EQ space.
    gd_sender_type  = space.
  ELSE.
    gd_sender_type  = 'INT'.
  ENDIF.

*Send file by email as .xls speadsheet
  PERFORM send_file_as_email_attachment
                               tables it_mess_bod
                                      it_mess_att
                                using p_email
                                      'Example .xls documnet attachment'
                                      'PDF'
                                      gd_attachment_name
                                      gd_attachment_desc
                                      p_sender
                                      gd_sender_type
                             changing gd_error
                                      gd_reciever.
ENDFORM.


*------------------------------------------------------------------------------------
*      FORM delete_spool
*------------------------------------------------------------------------------------
FORM delete_spool.
  DATA: ld_spool_nr TYPE tsp01_sp0r-rqid_char.

  ld_spool_nr = gd_spool_nr.

  CHECK p_delspl <> c_no.
  CALL FUNCTION 'RSPO_R_RDELETE_SPOOLREQ'
       EXPORTING
            spoolid = ld_spool_nr.
ENDFORM.

*&------------------------------------------------------------------------------------
*&      Form  SEND_FILE_AS_EMAIL_ATTACHMENT
*&------------------------------------------------------------------------------------
*      Send email
*------------------------------------------------------------------------------------
FORM send_file_as_email_attachment tables it_message
                                          it_attach
                                    using p_email
                                          p_mtitle
                                          p_format
                                          p_filename
                                          p_attdescription
                                          p_sender_address
                                          p_sender_addres_type
                                 changing p_error
                                          p_reciever.


  DATA: ld_error    TYPE sy-subrc,
        ld_reciever TYPE sy-subrc,
        ld_mtitle LIKE sodocchgi1-obj_descr,
        ld_email LIKE  somlreci1-receiver,
        ld_format TYPE  so_obj_tp ,
        ld_attdescription TYPE  so_obj_nam ,
        ld_attfilename TYPE  so_obj_des ,
        ld_sender_address LIKE  soextreci1-receiver,
        ld_sender_address_type LIKE  soextreci1-adr_typ,
        ld_receiver LIKE  sy-subrc.

data:   t_packing_list like sopcklsti1 occurs 0 with header line,
        t_contents like solisti1 occurs 0 with header line,
        t_receivers like somlreci1 occurs 0 with header line,
        t_attachment like solisti1 occurs 0 with header line,
        t_object_header like solisti1 occurs 0 with header line,
        w_cnt type i,
        w_sent_all(1) type c,
        w_doc_data like sodocchgi1.

  ld_email   = p_email.
  ld_mtitle = p_mtitle.
  ld_format              = p_format.
  ld_attdescription      = p_attdescription.
  ld_attfilename         = p_filename.
  ld_sender_address      = p_sender_address.
  ld_sender_address_type = p_sender_addres_type.


*Fill the document data.
  w_doc_data-doc_size = 1.


*Populate the subject/generic message attributes
  w_doc_data-obj_langu = sy-langu.
  w_doc_data-obj_name  = 'SAPRPT'.
  w_doc_data-obj_descr = ld_mtitle .
  w_doc_data-sensitivty = 'F'.

*Fill the document data and get size of attachment
  CLEAR w_doc_data.
  READ TABLE it_attach INDEX w_cnt.
  w_doc_data-doc_size =
     ( w_cnt - 1 ) * 255 + STRLEN( it_attach ).
  w_doc_data-obj_langu  = sy-langu.
  w_doc_data-obj_name   = 'SAPRPT'.
  w_doc_data-obj_descr  = ld_mtitle.
  w_doc_data-sensitivty = 'F'.
  CLEAR t_attachment.
  REFRESH t_attachment.
  t_attachment[] = it_attach[].


*Describe the body of the message
  CLEAR t_packing_list.
  REFRESH t_packing_list.
  t_packing_list-transf_bin = space.
  t_packing_list-head_start = 1.
  t_packing_list-head_num = 0.
  t_packing_list-body_start = 1.
  DESCRIBE TABLE it_message LINES t_packing_list-body_num.
  t_packing_list-doc_type = 'RAW'.
  APPEND t_packing_list.

*Create attachment notification
  t_packing_list-transf_bin = 'X'.
  t_packing_list-head_start = 1.
  t_packing_list-head_num   = 1.
  t_packing_list-body_start = 1.

  DESCRIBE TABLE t_attachment LINES t_packing_list-body_num.
  t_packing_list-doc_type   =  ld_format.
  t_packing_list-obj_descr  =  ld_attdescription.
  t_packing_list-obj_name   =  ld_attfilename.
  t_packing_list-doc_size   =  t_packing_list-body_num * 255.
  APPEND t_packing_list.

*Add the recipients email address

  CLEAR t_receivers.
  REFRESH t_receivers.
  t_receivers-receiver = ld_email.
  t_receivers-rec_type = 'U'.
  t_receivers-com_type = 'INT'.
  t_receivers-notif_del = 'X'.
  t_receivers-notif_ndel = 'X'.
  APPEND t_receivers.

  CALL FUNCTION 'SO_DOCUMENT_SEND_API1'
       EXPORTING
            document_data              = w_doc_data
            put_in_outbox              = 'X'
            sender_address             = ld_sender_address
            sender_address_type        = ld_sender_address_type
            commit_work                = 'X'
       IMPORTING
            sent_to_all                = w_sent_all
       TABLES
            packing_list               = t_packing_list
            contents_bin               = t_attachment
            contents_txt               = it_message
            receivers                  = t_receivers
       EXCEPTIONS
            too_many_receivers         = 1
            document_not_sent          = 2
            document_type_not_exist    = 3
            operation_no_authorization = 4
            parameter_error            = 5
            x_error                    = 6
            enqueue_error              = 7
            OTHERS                     = 8.


*Populate zerror return code
  ld_error = sy-subrc.


*Populate zreceiver return code
  LOOP AT t_receivers.
    ld_receiver = t_receivers-retrn_code.
  ENDLOOP.
ENDFORM.

REPORT  ZTEST_DOWNLOAD_TEMP.
*----------------------------------------------------------------------*
*  TABLES AND VARIABLES
*----------------------------------------------------------------------*
TABLES: sscrfields. "+ch001

TYPES:BEGIN OF T_DATATAB,
      WERKS(8) TYPE C,
      MATNR(50) TYPE C,"material no
      CHARG(50) TYPE C,"batch
      VALUE(50) TYPE C,"batch grade value
      END OF T_DATATAB.


*----------------------------------------------------------------------*
*  SELECTION-SCREEN
*----------------------------------------------------------------------*
SELECTION-SCREEN BEGIN OF BLOCK RAD1 WITH FRAME TITLE TEXT-T01.

PARAMETERS: P_FILE TYPE  RLGRAP-FILENAME.

SELECTION-SCREEN END OF BLOCK RAD1.
SELECTION-SCREEN BEGIN OF LINE.
* Add buttons to application toolbar
SELECTION-SCREEN FUNCTION KEY 1.  "Will have a function code of 'FC01'
SELECTION-SCREEN END OF LINE.
PARAMETER: p_ucomm LIKE sy-ucomm NO-DISPLAY.


*----------------------------------------------------------------------*
*  INITIALIZATION
*----------------------------------------------------------------------*

*+ch001 additional button to download template start
INITIALIZATION.

* Add displayed text string to buttons
  MOVE 'Download Template' TO sscrfields-functxt_01.


*----------------------------------------------------------------------*
*  AT SELECTION-SCREEN
*----------------------------------------------------------------------*
AT SELECTION-SCREEN.
* Check if button have been selected or not
  IF sscrfields-ucomm EQ 'FC01'.
    p_ucomm = 'BUTN1'.
  ELSE.
    CLEAR p_ucomm.
  ENDIF.

AT SELECTION-SCREEN OUTPUT.

  IF p_ucomm = 'BUTN1'.
    PERFORM download_template1.
  ENDIF.
*+ch001 additional button to download template end

*----------------------------------------------------------------------*
*  START-OF-SELECTION
*----------------------------------------------------------------------*
START-OF-SELECTION.
*----------------------------------------------------------------------*
*END-OF-SELECTION                                                      *
*----------------------------------------------------------------------*
END-OF-SELECTION.





*&---------------------------------------------------------------------*
*&      Form  DOWNLOAD_TEMPLATE1 ++ch001
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM download_template1 .

*TYPES:BEGIN OF T_DATATAB,
*      WERKS(8) TYPE C,
*      MATNR(50) TYPE C,"material no
*      CHARG(50) TYPE C,"batch
*      VALUE(50) TYPE C,"batch grade value
*      END OF T_DATATAB.

  DATA: t_templt type T_DATATAB OCCURS 0 WITH HEADER LINE.

  REFRESH t_templt.
  t_templt-werks =  'Plant'.
  t_templt-matnr  = 'Material no'.
  t_templt-charg  =  'Batch'.
  t_templt-value = 'batch grade value'.

  APPEND t_templt.
  CLEAR t_templt.

  DATA: lv_rc         TYPE i,
        lt_filetable  TYPE filetable.

  DATA: v_path              TYPE string.

  CALL METHOD cl_gui_frontend_services=>file_open_dialog
    EXPORTING
      window_title      = 'Please Select File'
      default_extension = 'XLS'
    CHANGING
      file_table        = lt_filetable
      rc                = lv_rc.
  IF sy-subrc <> 0.
    MESSAGE 'Can not get file path' TYPE 'E'.
  ELSEIF lv_rc = 1.
    READ TABLE lt_filetable INTO v_path INDEX 1.
  ENDIF.

  CALL FUNCTION 'GUI_DOWNLOAD'
    EXPORTING
*     BIN_FILESIZE            =
      filename                = v_path
      filetype                = 'DAT'
      codepage                = '8400'
    TABLES
      data_tab                = t_templt
*     FIELDNAMES              =
    EXCEPTIONS
      file_write_error        = 1
      no_batch                = 2
      gui_refuse_filetransfer = 3
      invalid_type            = 4
      no_authority            = 5
      unknown_error           = 6
      header_not_allowed      = 7
      separator_not_allowed   = 8
      filesize_not_allowed    = 9
      header_too_long         = 10
      dp_error_create         = 11
      dp_error_send           = 12
      dp_error_write          = 13
      unknown_dp_error        = 14
      access_denied           = 15
      dp_out_of_memory        = 16
      disk_full               = 17
      dp_timeout              = 18
      file_not_found          = 19
      dataprovider_exception  = 20
      control_flush_error     = 21
      OTHERS                  = 22.
  IF sy-subrc <> 0.
    MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
          WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
  ENDIF.


ENDFORM.                    " DOWNLOAD_TEMPLATE1

Purchase order, print program.
Prereq : create print program and config in NACE
When you plan to do some coding after your repeat the output
1. send email to vendor
2. do some coding as soon as you push the output again the codes below are important

    IF nast-nacha = '5'. "EXTERNAL SEND + TCODE + AND WHEN SAVING
      IF ( sy-tcode = 'ME9F'  AND sy-xcode = '9AUS' ) OR
         ( sy-tcode = 'ME21N' AND sy-ucomm EQ space ) OR
         ( sy-tcode = 'ME22N' AND sy-ucomm EQ space ) OR
         ( sy-tcode = 'ME23N' AND sy-ucomm EQ space ) OR
         ( sy-tcode = 'ME28'  AND sy-ucomm EQ space ) OR
         ( sy-tcode = 'ME29N' AND sy-ucomm EQ space ).

To append a default value for selection-screen.
2 ways.
To code it after in the event

INITIALIZATION.
RSK_RANGE-SIGN = 'I'.
RSK_RANGE-OPTION = 'BT'.
RSK_RANGE-LOW = '00'.
RSK_RANGE-HIGH = '99'.
APPEND RSK_RANGE.
or

SELECT-OPTIONS: S_DATE  FOR SY-DATUM OBLIGATORY  NO-EXTENSION
                DEFAULT '20121101'
                     TO '20121231'
                 OPTION  BT
                   SIGN  I .