Update UI not by click on button

Only way what i found out so far to update my content is by clicking on button. In my app i am using event pattern. What i must do in vaadin to update content when this event happen?Should i “fake click” somehow?Can you guys point me to some topic about this?Even if i do this nothing update in browser but when i click on button manualy content refresh
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thank you i will look on this

So i did all what is in that topic and still getting this error. “Push not enabled” , o have @Push in class and in async-supported . I wish there are all informations in documentation and not only half :frowning_with_open_mouth:

Did you put @Push on the correct class? It needs to be in a class that implements AppShellConfigurator

yes i did it as is on tutorial