Send email from ABAP program

TYPES: BEGIN OF ty_lines,
         line TYPE char255,
       END OF ty_lines.
DATA:  ti_lines TYPE STANDARD TABLE OF ty_lines,
       wa_lines TYPE ty_lines.
DATA:  title TYPE string.


* APPEND LINES TO ti_lines (body) and add a title (subject)

CALL FUNCTION 'EFG_GEN_SEND_EMAIL'
    EXPORTING
      i_title              = title
      i_sender             = <sender_email>
      i_recipient          = <receiver_email>
      i_flg_commit         = 'X'
      i_flg_send_immediately = 'X'
    TABLES
      i_tab_lines            = ti_lines
    EXCEPTIONS
      not_qualified          = 1
      failed                 = 2
      OTHERS                 = 3.