IMessageFilter[] expandedFilter = new IMessageFilter[filter.length + 1];
                for(int i = 0; i < filter.length ; i++){
                   expandedFilter[i] = filter[i];
                }
                expandedFilter[filter.length] = new ElFilter();
                filter = expandedFilter;
            }
            properties.put(Filter, filter);
            properties.put(Condition, cleanEL(handlerConfig.condition()));
            properties.put(Priority, handlerConfig.priority());