How to use Desired Capabilties to handle browser notifications (was: ALERT of Facebook/ Unable to dismiss or accept)

As @Marek_Melocik mentioned, this is a browser-level notification (i.e. it has nothing to do with FB). You will need a desired capability to handle it. Unfortunately, I’m not familiar with the language of the alert in your screenshot, but here’s a way to figure out which desired capability you must add, and how to add it: