Summary
Using message extension plugins, you can enable users to search external systems in Microsoft Teams, Microsoft Outlook, and Microsoft 365 Copilot. When you use a plugin with Microsoft 365 Copilot, you enable Copilot reason over the data returned from your plugin in real time, which empowers it to give you more relevant responses.
More resources
- Message extension plugins in Microsoft 365 Copilot
- Message extensions with Bot Framework documentation
- Microsoft Teams Store validation guidelines
- Bot-based message extension plugin guidelines