using { sap.capire.bookshop.Books } from '@capire/bookshop'; using { Currency, managed, cuid } from '@sap/cds/common'; namespace sap.capire.bookshop; entity Orders : cuid, managed { OrderNo : String @title:'Order Number'; //> readable key Items : Composition of many { key pos : Integer; book : Association to Books; amount : Integer; }; currency : Currency; }