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How to add OData v2 adapter proxy to your CAP projectHow to add OData v2 adapter proxy to your CAP projectThe problem is stated in one line — a UI5 application that only speaks OData v2 in front of a CAP service that speaks v4 — and the answer is a proxy in the middle rather than a rewrite of either end. Written while v4 support in the UI5 stack was still patchy, which is the whole reason the adapter exists.published 2020-06-30
How to add OData v2 adapter proxy to your CAP project
OData changed in @cap-js-community/odata-v2-adapter 1.10.0, 2023-04-05. Affects Runnable code.
Fullstack CAP Application with HANA Cloud (Decoupled Architecture) [Part-1]Fullstack CAP Application with HANA Cloud (Decoupled Architecture) [Part-1]The first of six, and it does the thing the later parts depend on: build the Incident Management application against SQLite on a laptop, with no cloud database in sight. The series is called decoupled because the front end and the back end are deployed separately, and this part is entirely the back end.sanjucs, published 2026-05-06
Fullstack CAP Application with HANA Cloud (Decoupled Architecture) [Part-1]
Database connectors changed in @sap/cds 10.1.0, 2026-09-07. Affects A recipe, Runnable code.
SAP CAP on HANA XSA: Scaling Industrial Data Applications Beyond the CloudSAP CAP on HANA XSA: Scaling Industrial Data Applications Beyond the CloudCAP on HANA 2.0 XSA rather than on BTP — on-premise, and chosen for throughput. Mass ingestion through native stored procedures, which is the point at which CDS stops being the right tool and the post says so.rgadirov, published 2026-03-09
SAP CAP on HANA XSA: Scaling Industrial Data Applications Beyond the Cloud
Database connectors changed in @sap/cds 10.1.0, 2026-09-07. Affects Runnable code.
How to Access On-premise OData from the Business Application Studio - CAPM DevelopmentHow to Access On-premise OData from the Business Application Studio - CAPM DevelopmentA destination-naming constraint found the hard way and then corrected in public: the post carries its own update saying that with a CAPM app, a standard destination works through the studio's proxy as long as the name matches [a-z0-9-]. The update credits a comment on the post, so the correction and its source are both in the record.laszlo_kajan2, published 2020-06-02
How to Access On-premise OData from the Business Application Studio - CAPM Development
Destinations changed in @sap-cloud-sdk/connectivity 4.0.0, 2025-03-04. Affects A recipe, Runnable code.
Part 1: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elementsPart 1: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elementsThe substantial part of a side-by-side extensibility series: CAP Node.js, Cloud SDK and Fiori elements against S/4HANA Cloud. Eighteen thousand characters, and the one to read if you only read one.former_member748, published 2020-12-01
Part 1: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elements
Fiori annotations changed in @sap/cds-dk 9.6.0, 2025-12-17. Affects A recipe, Runnable code.
Part 2: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elementsPart 2: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elementsThe second part, continuing the same extension. Opens with a recap of the stack rather than of the steps, which makes it readable on its own.former_member748, published 2020-12-20
Part 2: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elements
Fiori annotations changed in @sap/cds-dk 9.6.0, 2025-12-17. Affects A recipe, Runnable code.
Use SCP CF Destination service in NodeJs locallyUse SCP CF Destination service in NodeJs locallyReading a destination from a laptop, where the environment variable the destination service normally provides does not exist. A small gap with a real cost, since the alternative is deploying to test every change to a remote call.WouterLemaire, published 2020-05-28
Use SCP CF Destination service in NodeJs locally
Destinations changed in @sap-cloud-sdk/connectivity 4.0.0, 2025-03-04. Affects Runnable code.
Banking Sentinel: A Multi-Agent Credit-Risk Copilot on SAP BTP, Built on a Mixed AI StackBanking Sentinel: A Multi-Agent Credit-Risk Copilot on SAP BTP, Built on a Mixed AI StackThe risk it is chasing is a graph problem stated in banking terms: a borrower who looks safe alone and is the linchpin of a group ten times the size. Multi-agent, mixed AI stack, on BTP and CAP.Shahid, published 2026-06-24
Banking Sentinel: A Multi-Agent Credit-Risk Copilot on SAP BTP, Built on a Mixed AI Stack
Agent tooling changed in @cap-js/agents 0.9.1, 2026-08-14. Affects A recipe, Runnable code.
Building an LLM Agent in CAP Java with Spring AIBuilding an LLM Agent in CAP Java with Spring AIThe Java counterpart to the author's own Node.js post, and written as one: connecting to AI Core with the SAP AI SDK, then calling an agent and a tool through Spring AI. Opens with a section on libraries and workflows — which framework does what, and what is left to you — before any code.published 2026-06-08
Building an LLM Agent in CAP Java with Spring AI
Agent tooling changed in @cap-js/agents 0.9.1, 2026-08-14. Affects Runnable code.
Building an LLM Agent using CAPBuilding an LLM Agent using CAPThe argument is that CAP is already most of what an agent framework wants — services, handlers, a typed model — so the agent is built inside it rather than beside it. AI Core through sap-ai-sdk, then Langchain for the agent and its tools. Long, with a TLDR at the top for people who want the shape without the walk.published 2026-05-27
Building an LLM Agent using CAP
Agent tooling changed in @cap-js/agents 0.9.1, 2026-08-14. Affects Runnable code.
Banking Sentinel: A Multi-Agent Credit-Risk Copilot on SAP BTP, Built on a Mixed AI StackBanking Sentinel: A Multi-Agent Credit-Risk Copilot on SAP BTP, Built on a Mixed AI StackThe risk it is chasing is a graph problem stated in banking terms: a borrower who looks safe alone and is the linchpin of a group ten times the size. Multi-agent, mixed AI stack, on BTP and CAP.Shahid, published 2026-06-24
Banking Sentinel: A Multi-Agent Credit-Risk Copilot on SAP BTP, Built on a Mixed AI Stack
Agent tooling changed in @cap-js/agents 0.9.1, 2026-08-14. Affects A recipe, Runnable code.
Building an LLM Agent in CAP Java with Spring AIBuilding an LLM Agent in CAP Java with Spring AIThe Java counterpart to the author's own Node.js post, and written as one: connecting to AI Core with the SAP AI SDK, then calling an agent and a tool through Spring AI. Opens with a section on libraries and workflows — which framework does what, and what is left to you — before any code.published 2026-06-08
Building an LLM Agent in CAP Java with Spring AI
Agent tooling changed in @cap-js/agents 0.9.1, 2026-08-14. Affects Runnable code.
Building an LLM Agent using CAPBuilding an LLM Agent using CAPThe argument is that CAP is already most of what an agent framework wants — services, handlers, a typed model — so the agent is built inside it rather than beside it. AI Core through sap-ai-sdk, then Langchain for the agent and its tools. Long, with a TLDR at the top for people who want the shape without the walk.published 2026-05-27
Building an LLM Agent using CAP
Agent tooling changed in @cap-js/agents 0.9.1, 2026-08-14. Affects Runnable code.
Integrating a Custom AI Model into SAP CAP Using AI LaunchpadIntegrating a Custom AI Model into SAP CAP Using AI LaunchpadYour own model rather than a hosted one: deployed to AI Core, made callable through AI Launchpad, then reached from CAP. The case a lot of companies ask about and few posts cover.egeAksoyek, published 2026-03-20
Integrating a Custom AI Model into SAP CAP Using AI Launchpad
LLM integration changed in @cap-js/ai 1.0.0, 2026-04-28. Affects Runnable code.
Understanding security approaches in SAP CAP using XSUAA in node.js flavor and MTA.Understanding security approaches in SAP CAP using XSUAA in node.js flavor and MTA.The long version, from the MTA project outward: what the deployment descriptor has to contain, how the authentication flow actually runs, and then the npm modules doing the work — @sap/xssec and @sap/xsenv named and explained rather than left as dependencies. Old, and the module names have moved on, but the flow it draws has not.balbinosoares, published 2020-03-16
Understanding security approaches in SAP CAP using XSUAA in node.js flavor and MTA.
Authorization has changed twice since this was published, most recently in CAP Java 3.7.1, 2025-01-30. Affects A recipe, Runnable code.
Understanding security approaches in SAP CAP using XSUAA in node.js flavor and MTA.Understanding security approaches in SAP CAP using XSUAA in node.js flavor and MTA.The long version, from the MTA project outward: what the deployment descriptor has to contain, how the authentication flow actually runs, and then the npm modules doing the work — @sap/xssec and @sap/xsenv named and explained rather than left as dependencies. Old, and the module names have moved on, but the flow it draws has not.balbinosoares, published 2020-03-16
Understanding security approaches in SAP CAP using XSUAA in node.js flavor and MTA.
Authorization has changed twice since this was published, most recently in CAP Java 3.7.1, 2025-01-30. Affects A recipe, Runnable code.
cf-create-app: Create End-to-End apps and deploy to Cloud Foundry in minutescf-create-app: Create End-to-End apps and deploy to Cloud Foundry in minutesA generator from 2020 that goes further than scaffolding — an end-to-end application created and deployed to Cloud Foundry in one run. Predates most of what cds add now does.former_member604013, published 2020-07-29
cf-create-app: Create End-to-End apps and deploy to Cloud Foundry in minutes
Generators has changed twice since this was published, most recently in @sap/cds-dk 10.0.3, 2026-07-02. Affects A recipe, Runnable code.
Getting your head into Cloud Application Programming model multitenancyGetting your head into Cloud Application Programming model multitenancyOpens by telling you it is out of date and pointing at the HANA Academy series instead, which is more honest than most posts manage. What survives the staleness is the discussion and context around multitenancy that the title promises — the reasoning, not the commands.andrew_lunde, published 2020-08-20
Getting your head into Cloud Application Programming model multitenancy
Multitenancy has changed twice since this was published, most recently in @sap/cds 7.0.0, 2023-06-22. Affects Runnable code.
cf-create-app: Create End-to-End apps and deploy to Cloud Foundry in minutescf-create-app: Create End-to-End apps and deploy to Cloud Foundry in minutesA generator from 2020 that goes further than scaffolding — an end-to-end application created and deployed to Cloud Foundry in one run. Predates most of what cds add now does.former_member604013, published 2020-07-29
cf-create-app: Create End-to-End apps and deploy to Cloud Foundry in minutes
Generators has changed twice since this was published, most recently in @sap/cds-dk 10.0.3, 2026-07-02. Affects A recipe, Runnable code.
Develop SAP CAP apps inside a VS Code Docker ContainerDevelop SAP CAP apps inside a VS Code Docker ContainerA VS Code dev container configuration with everything a CAP project needs already in it, published as a repository rather than as instructions. The 2020 half of a pair whose other half, four years later, does the same for Lazyvim — the same author solving the same problem twice as his editor changed.published 2020-02-20
Develop SAP CAP apps inside a VS Code Docker Container
Local development has changed twice since this was published, most recently in @sap/cds-dk 7.9.1, 2024-05-02. Affects Runnable code.
Fullstack CAP Application with HANA Cloud (Decoupled Architecture) [Part-1]Fullstack CAP Application with HANA Cloud (Decoupled Architecture) [Part-1]The first of six, and it does the thing the later parts depend on: build the Incident Management application against SQLite on a laptop, with no cloud database in sight. The series is called decoupled because the front end and the back end are deployed separately, and this part is entirely the back end.sanjucs, published 2026-05-06
Fullstack CAP Application with HANA Cloud (Decoupled Architecture) [Part-1]
Database connectors changed in @sap/cds 10.1.0, 2026-09-07. Affects A recipe, Runnable code.
Use SCP CF Destination service in NodeJs locallyUse SCP CF Destination service in NodeJs locallyReading a destination from a laptop, where the environment variable the destination service normally provides does not exist. A small gap with a real cost, since the alternative is deploying to test every change to a remote call.WouterLemaire, published 2020-05-28
Use SCP CF Destination service in NodeJs locally
Destinations changed in @sap-cloud-sdk/connectivity 4.0.0, 2025-03-04. Affects Runnable code.
CAP: Unit Testing using Mocha and ChaiCAP: Unit Testing using Mocha and ChaiUnit tests added to an existing CAP service rather than written alongside a new one, which is the harder and more common case. Mocha and Chai wired up by hand, from a time before cds.test was the obvious answer.jhodel18, published 2020-05-31
CAP: Unit Testing using Mocha and Chai
Testing has changed 3 times since this was published, most recently in @cap-js/cds-test 1.0.0, 2026-04-23. Affects Runnable code.
Integration Tests in a Cloud Foundry Java App using SAP Cloud Application Programming ModelIntegration Tests in a Cloud Foundry Java App using SAP Cloud Application Programming ModelIntegration rather than unit tests, and from 2020 — the earliest testing entry here, and a reminder of what had to be assembled by hand before the framework had an answer.former_member428487, published 2020-02-23
Integration Tests in a Cloud Foundry Java App using SAP Cloud Application Programming Model
Testing has changed 3 times since this was published, most recently in @cap-js/cds-test 1.0.0, 2026-04-23. Affects Runnable code.
Developing a Fiori elements app with CAP and Fiori ToolsDeveloping a Fiori elements app with CAP and Fiori ToolsA learning write-up from someone new to CAP at the time, and long enough to be thorough. Carries its own update pointing at a newer post on deploying a CAP-based Fiori app to a central launchpad without an approuter.MioYasutake, published 2020-09-07
Developing a Fiori elements app with CAP and Fiori Tools
Fiori annotations changed in @sap/cds-dk 9.6.0, 2025-12-17. Affects A recipe, Runnable code.
Part 1: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elementsPart 1: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elementsThe substantial part of a side-by-side extensibility series: CAP Node.js, Cloud SDK and Fiori elements against S/4HANA Cloud. Eighteen thousand characters, and the one to read if you only read one.former_member748, published 2020-12-01
Part 1: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elements
Fiori annotations changed in @sap/cds-dk 9.6.0, 2025-12-17. Affects A recipe, Runnable code.
Part 2: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elementsPart 2: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elementsThe second part, continuing the same extension. Opens with a recap of the stack rather than of the steps, which makes it readable on its own.former_member748, published 2020-12-20
Part 2: How to build an extension application for SAP S/4HANA Cloud using CAP, SAP Cloud SDK and SAP Fiori elements
Fiori annotations changed in @sap/cds-dk 9.6.0, 2025-12-17. Affects A recipe, Runnable code.
Random collection of useful code fragments for CAP Fiori Elements and SAPUI5Random collection of useful code fragments for CAP Fiori Elements and SAPUI5Exactly what it says, and the author gives the reason: none of these were easy to find in the documentation or the samples. A collection of fragments rather than an argument, and the kind of page people bookmark.published 2020-11-18
Random collection of useful code fragments for CAP Fiori Elements and SAPUI5
Fiori annotations changed in @sap/cds-dk 9.6.0, 2025-12-17. Affects Runnable code.