* event handler for data retrieval
  username = sy-uname.
  CALL METHOD cl_bsp_server_side_cookie=>get_server_cookie
    EXPORTING
      name                  = 'HALLO2'
      application_name      = runtime->application_name
      application_namespace = runtime->application_namespace
      username              = username
      session_id            = runtime->session_id
      data_name             = 'ind'
    CHANGING
      data_value            = ind.
*
  username = sy-uname.
  CALL METHOD cl_bsp_server_side_cookie=>get_server_cookie
    EXPORTING
      name                  = 'HALLO'
      application_name      = runtime->application_name
      application_namespace = runtime->application_namespace
      username              = username
      session_id            = runtime->session_id
      data_name             = 'itab'
    CHANGING
      data_value            = itab.
*
  READ TABLE itab INTO wa2  INDEX ind.