MethodExpression methodExpression =  
     application.getExpressionFactory().createMethodExpression( 
         FacesContext.getCurrentInstance().getELContext(),  
         "#{PrismBacking.onItemClick}",  
         null,  
         new Class[] { ActionEvent.class }); 
menuItem.setActionExpression(methodExpression); 

I created a dynamic drop down as above my creating action listener but the listener was not called. I included the method inside the getter of dropdown in backing bean. Do I have to configure the action listener in any of the config files. kindly help.