Create what your business needs, securely, natively, and at speed. Table of Contents Chapter 1: Workday Build: The developer platform. Chapter 2: Why build on Workday? Chapter 3: Workday Extend in practice. 24 Chapter 4: Integrate, connect, and drive action across your enterprise. Chapter 5: 32 Discover what customers are building with Workday Extend. Chapter 6: 37 Upskilling your developers. Chapter 1: Workday Build:The developer platform. AI is shifting the CIO mandate. Technology leaders are being asked to do more than modernize systems.They’re expected to safely adopt AI across the organization, and deliverproven value every step of the way. It’s going to take more than simply layering AI onto disconnectedtools. You need an open platform designed for the new ways work getsdone—one that unifies data, processes and security by design, andenables innovation directly in the systems managing people and money. To succeed, you need to bring data together with context to driveintelligence across the whole business—all while simplifying the techstack in service of agility to meet fast-changing needs. That’s exactly what Workday Build enables. Solving IT’s Biggest Challenges in the AI Era “ “ “ I need to simplify my techstack and quickly respondto business needs. I need to bring my data togetherwith context for greaterintelligence. I need to safely adopt AI acrossmy organization and deliverproven value. Safely Adopt AI Simplify & Respond Unify Data & Context Workday Build is the Workday developer platform. It brings together the intelligent tools, marketplace, and community that customers andpartners need to build, connect, and scale AI-powered solutions directly on Workday, extending what’s possible across the core applications,data, and technology that organizations already rely on to manage people and money. Workday Build gives you: The Workday Marketplacewherecustomers can discover and deployvetted solutions built by Workdayand partners Toolsto connect enterprise dataand build custom AI agents, apps,and orchestrations A developer communitywith training,certifications, and shared expertiseto equip teams to build confidently Meet Workday Extend:The cornerstone of Workday Build. Where you build matters. In many organizations, custom development happens in a separate “sidecar,”a platform sitting outside the core system. That approach creates familiarproblems: duplicated data, brittle integrations, separate security rules,and ongoing maintenance to keep everything aligned. At the center of Workday Build isWorkday Extend, the cornerstone capabilityfor building custom solutions on Workday. Workday Extend gives organizations an intuitive, low- and no-code way torapidly build and deploy custom AI agents and apps for people and finance. Workday Build takes a different approach: It empowers teams tobuild directlyon the Workday platform, where people and finance data already live andwhere business and security processes are already defined. Because Workday Extend is part of the Workday platform, teams can extendWorkday data, native business processes, and consistent user experience,while inheriting the same enterprise-grade security and governance Workdayis known for. That means your custom solutions can: •Use Workday data with full context,not exported snapshots•Adhere to Workday governance by default,including businessprocess rules and security policies•Fit into the Workday experience,making adoption easierand user experience consistent This eBook is a practical guide to building custom agents and appson Workday, without creating a disconnected layer of technology outsideyour core system. Specifically, we’ll cover: •Why organizations build custom AI agents and apps•Where to build, and why building on Workday can acceleratedevelopmentwhile reducing risk•How Workday Extend works in practice,as the cornerstone capabilitywithin Workday Build for creating custom AI agents and apps•What customers are building today,across HR, finance, andindustry-specific needs•How to upskill your team,with resources, training, and communitysupport to build faster over time Chapter 2:Why build on Workday? Why build customAI agents and apps? Because no two organizations operate the same way. The real question isn’t “should we build?”—it’s “where shouldwe build?” Off-the-shelf AI is designed to work for everyone. Custom agents andapps are designed to work for you, reflecting your context, workflows,and the way your business actually runs. The market is full of options for building AI agents and apps. But the “right”place to build is the one that gives you: •The right context to make AI useful and accurate•A path to scale and adoption•Embedded governance and trust from day one•A way to measure impact Workday delivers embedded AI across HR and finance to supportcommon, high-value use cases. But as organizations mature, theyoften hit moments where: •A process is shaped by unique policies o