Customization developer can extend the REST tier by writing new REST services. This new REST service will consume new or existing application service. Please note that it is not possible to customize the REST services provided out of the box. Extensibility in REST tier is limited to writing new services.

References:

Please refer to workspace setup of DTO (xface) and REST service.

Please refer to Use case 1 for steps to write new REST service along with sample code.