Работаем с сообщениями Web Dynpro (Message Manager)

  DATA lo_api_controller     TYPE REF TO if_wd_controller.
  DATA lo_message_manager    TYPE REF TO if_wd_message_manager.

  lo_api_controller ?= wd_this->wd_get_api( ).

  CALL METHOD lo_api_controller->get_message_manager
    RECEIVING
      message_manager = lo_message_manager.

*   report message
  CALL METHOD lo_message_manager->report_warning
    EXPORTING
      message_text = 'Test Message Warning...'.
  .

DATA lo_api_controller TYPE REF TO if_wd_controller.

DATA lo_message_manager TYPE REF TO if_wd_message_manager.

lo_api_controller ?= wd_this->wd_get_api( ).

CALL METHOD lo_api_controller->get_message_manager

RECEIVING

message_manager = lo_message_manager.

* report message

CALL METHOD lo_message_manager->report_warning

EXPORTING

message_text = 'Test Message Warning...'.