Learn how to add a Node.js module to an existing SAP HANA project in SAP HANA Cloud and Business Application Studio. Explore an alternative approach to SAP Cloud Application Programming Model by manually integrating a Node.js service. Discover the benefits of this method for custom response bodies, non-REST or OData services, and increased control. Follow along as the video guides you through copying the project, adjusting the mta.yaml file, initializing the srv module, and adding necessary Node.js modules. Dive into creating the entry point, setting up Express server, implementing middleware, configuring security, and adding health monitoring. Explore how to integrate SwaggerUI, test the service framework, and add specific routes for database queries. Conclude by learning how to generate Swagger documentation from JSDoc and test the service using SwaggerUI.