using { sap.capire, sap.capire.bookshop.Books } from '@capire/bookshop'; using { API_BUSINESS_PARTNER as external } from './external/API_BUSINESS_PARTNER.csn'; extend Books with { supplier : Association to Suppliers; } extend service CatalogService with { entity MySuppliers as projection on Suppliers; } @cds.persistence:{table,skip:false} entity Suppliers as projection on external.A_BusinessPartner { BusinessPartner as ID, LastName, AcademicTitle }