tionalFunc = aaPlotOptions.series.point.events[eventName];
            
            // Define the event handler function
            var eventHandlerFunc = function() {
                var message = configureEventMessageBody(this);
                window.webkit.messageHandlers[handlerName].postMessage(message);
                
                // Check if additionalFunc exists and is not null
                if (additionalFunc != null) {
                    if (typeof additionalFunc === 'function') {
      