JSF and applicationscoped bean connection(Publish/Subscribe)

JSF and applicationscoped bean connection(Publish/Subscribe)

I want to create simple web application which will be work similarly to
publish/subscribe mechanism. I have applicationScoped bean that contains
list of strings and xhtml where i display this strings as a table. Now i
want to add something like listener and when list of string in
applicationScoped bean will change my table also should change. How can i
achieve this ?