diff --git a/src/demo/event_handler_main.py b/src/demo/event_handler_main.py
index 6cb9c8a..69d2fd8 100644
--- a/src/demo/event_handler_main.py
+++ b/src/demo/event_handler_main.py
@@ -4,14 +4,21 @@ from tfw.components.source_code_event_handler import SourceCodeEventHandler
 from tfw.components.terminado_event_handler import TerminadoEventHandler
 from tfw.components.process_managing_event_handler import ProcessManagingEventHandler
 from tfw.config import tfwenv
+from tfw.message_sender import MessageSender
 from tfw.config.logs import logging
 log = logging.getLogger(__name__)
 
 
+def cenator(history):
+    message_sender = MessageSender()
+    log.debug('User executed command: "{}"'.format(history[-1]))
+    message_sender.send('JOHN CENA', 'You\'ve executed "{}"'.format(history[-1]))
+
+
 if __name__ == '__main__':
     ide = SourceCodeEventHandler(key='webide', directory=tfwenv.WEBIDE_WD, exclude=['__pycache__'])
     terminado = TerminadoEventHandler(key='shell')
-    terminado.historymonitor.subscribe_callback(callback=lambda hist: log.debug('User executed command: "{}"'.format(hist[-1])))
+    terminado.historymonitor.subscribe_callback(cenator)
     processmanager = ProcessManagingEventHandler(key='processmanager', dirmonitor=ide.monitor)
 
     eventhandlers = {ide, terminado, processmanager}