code: public void addSysControllerFilters() {
  	    for(SystemRequest rq : SystemRequest.values()) {
  	        ISystemFilterChain filterChain = new SysControllerFilterChain();
  	        filterChain.addFilter("EzyFoxFilterChain#" + rq, 
  	                new BaseSysControllerFilter(appContext(), rq));
  	        getParentZone().setFilterChain(rq, filterChain);
  	    }
  	}
docs: Add System Controller Filters