Use Change Notifications and Track Changes with Microsoft Graph

Microsoft 365
Microsoft Graph

Microsoft Graph enables developers to consume user information stored in Microsoft 365 in custom applications. Data is retrieved from Microsoft Graph through a REST API or using one of the various native SDKs provided by Microsoft. In this module, you'll learn how to work with change notifications (webhooks) and track changes (delta query) in the Microsoft Graph.

Learning objectives

At the end of this module, you should be able to:

  • Demonstrate how to use the Microsoft Graph .NET SDK
  • Demonstrate how to subscribe and receive notifications when entities change with Microsoft Graph
  • Demonstrate how to retrieve a list of all entities that have changed using delta query


  • Basic knowledge of REST services and APIs
  • Basic knowledge of Microsoft Graph
  • Ability to develop with ASP.NET Core at the intermediate level
  • Experience using Visual Studio Code at the beginner level
  • Access to a Microsoft 365 tenant