Your Copilot, Your Rules: Customizing Chat for Model-Driven Apps

EPPC 2026
Conference Sessions

Copilot and agentic platforms

Your Copilot, Your Rules: Customizing Chat for Model-Driven Apps

Level 200

SPEAKERS

Allan De Castro

MVP
Avanade

ABOUT THE SESSION

The Copilot Chat you’ve been customizing? It’s being deprecated.

Microsoft’s new vision is clear: your Model-Driven App doesn’t have a Copilot anymore—your app IS a Copilot agent, accessible from anywhere in M365. Apps in Copilot changes everything: the architecture, the deployment model, the customization surface.

In this session, we’ll walk the full arc—from what we built in the classic era (topics, knowledge sources, adaptive cards, declarative agents) to what Apps in Copilot actually delivers today: interactive grids and forms in M365 Copilot, Custom Tools with rich HTML widgets, and Business Skills that let agents discover your organization’s processes from Dataverse at runtime.

You’ll leave with an honest picture of where the platform stands now!