Develop > Controller layer > Management Center Web application
Customize the Management Center Web application
You can perform customization tasks in the Management Center Web application, such as extending existing objects, creating new objects, and mapping error reason codes to objects.
- Extend existing objects
You can customize objects, actions, and error messages in the Management Center Web application.
- Create new objects
You can create new client objects and validation errors.
- Display a server side error message in the Management Center
When server validation fails, an error message will be returned to the OpenLaszlo side.To display the server side error message, assign or change the validationError mapping, and then register the mapping in the Struts configuration file.
- Map of validation error reason codes
You can map error reason codes to Management Center objects for a more descriptive error response.