Summary Build autonomous agents that respond to email queries and generate dynamic Adaptive Cards. Use prompt tools to break down complex instructions into manageable, reusable components. Send personalized, interactive content directly via Outlook email. Learn formatting requirements and best practices for Adaptive Cards in email. Table of Contents Introduction Why Dynamic Adaptive Cards via Email Using Prompt Tools to Manage Instructions Building the Holiday Planning Agent Processing Email Queries Adaptive Card Formatting for Email Demo: Holiday Query in Action Key Takeaways References Introduction Copilot Studio enables makers to create intelligent agents that go beyond the chat interface.

Summary Autonomous agents run in the background without user prompts, so they cannot ask users to sign in during execution. Use maker-provided credentials for tools; user credentials are not appropriate for autonomous scenarios. Apply least privilege and restrict tool actions to reduce data exposure and abuse. Communicate the “runs under author’s identity” warning and govern access like any service account. Table of Contents Why Authentication Matters Autonomous Agents: What Changes Authentication Models Configure Tool Authentication Restrict Tool Actions Publishing, Warnings, and Governance Best Practices Checklist Why Authentication Matters As organizations adopt autonomous agents to perform tasks and make decisions, authentication becomes a core control.