Hello Zohar,
try this code:
DATA: lr_msg_service TYPEREFTO cl_bsp_wd_message_service.
lr_msg_service = me->view_manager->get_message_service( ).
CALLMETHOD lr_msg_service->subscribe_message
EXPORTING
iv_message_class = 'ZMSG_UI
iv_message_number = '052'
iv_subscriber = me
iv_activation = abap_true.
This code will subsbribe your controller to message. Then will be called method IF_BSP_WD_MESSAGE_HANDLER~HANDLE_MESSAGE, where you can add logic for navigation.
With regards,
Jiri