In the face of evolving business needs and rapid technological advancements, building extensible architectures is crucial. This talk underscores the critical importance of designing platforms that not only meet today's requirements but also seamlessly support future innovation.

We'll delve into the architectural choices and design patterns that underpin Workday Guidance, a platform enabling customers to configure user guidance throughout the Workday application. A key focus will be how we prioritised extensibility from the outset, enabling us to swiftly develop the Workday Assistant, an AI-powered copilot that delivers in-context task assistance.