This sample demonstrates how to build a declarative agent for Microsoft 365 Copilot that allows you to browse a menu of a local Italian restaurant and place an order. The agent uses an API plugin to connect to an anonymous API. The project contains a C# Azure Function (.NET 10) that serves as the API.
This is the C# port of the da-ristorante-api TypeScript sample.
This sample illustrates the following concepts:
- Building a declarative agent for Microsoft 365 Copilot with an API plugin
- Connecting an API plugin to an anonymous API
- Using C# Azure Functions (.NET 10 isolated worker) as the API backend
- Using dev tunnels to test the API plugin locally
| Version | Date | Comments |
|---|---|---|
| 1.0 | May 5, 2026 | Initial release |
- Microsoft 365 tenant with Microsoft 365 Copilot
- .NET 10 SDK
- Azure Functions Core Tools v4
- Visual Studio 2022 17.11 or higher
- Microsoft 365 Agents Toolkit for Visual Studio
- Clone this repository (or download this solution as a .ZIP file then unzip it)
git clone https://github.com/pnp/copilot-pro-dev-samples.git cd copilot-pro-dev-samples/samples/da-ristorante-api-csharp - Open DaRistoranteApi.slnx in Visual Studio 2022
- In the debug dropdown menu, select Dev Tunnels > Create a Tunnel (set authentication type to Public) or select an existing public dev tunnel
- Right-click the M365Agent project in Solution Explorer and select Microsoft 365 Agents Toolkit > Select Microsoft 365 Account
- Sign in to Microsoft 365 Agents Toolkit with a Microsoft 365 work or school account
- Press F5, or select Debug > Start Debugging in Visual Studio to start your app
- When the browser launches, open the Copilot app, select the agent, and start asking questions like:
- "What's for lunch today?"
- "What can I order for dinner that is gluten-free?"
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THIS CODE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.