Book Image

Customizing Microsoft Teams

By : Gopi Kondameda
Book Image

Customizing Microsoft Teams

By: Gopi Kondameda

Overview of this book

In the evolving remote working arrangement, the demand for custom Microsoft Teams apps is increasing rapidly across businesses. If you are someone who aims to provide users with an exceptional experience through custom-built apps that adhere to industry standards and good governance, Customizing Microsoft Teams is for you! The book starts with an overview of Microsoft Teams customization and configuration prerequisites. It then shows you how to expose functionalities from various solutions through tabs, connectors, messaging extensions, and more before you move on to explore how the PowerShell module can manage multiple aspects of administration and how to use the SharePoint Framework for creating custom Microsoft Teams apps. You’ll be able to work with Microsoft Dataverse for Teams to build custom apps, bots, and flows using Power Apps, Power Virtual Agents, and Power Automate. As you publish your production-ready apps on the Teams store and Microsoft AppSource, you’ll also understand Teams app analytics and reporting functionalities. By the end of this book, you’ll have learned how to develop custom solutions to solve critical business problems and extend the power of Microsoft Teams to develop high-value use cases in the remote working culture.
Table of Contents (16 chapters)
Part 1: Microsoft Teams Customization Exploring the Architecture and Components
Part 2: Microsoft Teams Customization with Tools and Techniques
Part 3: Microsoft Teams Customization with Low-Code and No-Code

Authentication and authorization of the Graph API

As you noticed in Graph Explorer, the Graph API is not for anonymous users; you need to get authenticated and authorized to make any Graph API call. Looking back at Graph Explorer (Figure 3.6), we have an Access token area generated based on the user that’s logged in.

Access tokens let your application call APIs protected by the Microsoft identity platform. These access tokens are also called JSON Web Tokens (JWTs). These tokens include the expiry time and scopes that are valid.

The following screenshot shows an example of an access token:

Figure 3.7 – Access token

Figure 3.7 – Access token

If you are more interested in decoding the access token, go to the URL and paste the access token. In the next screenshot, we will look at this JWT using jwt.m.

Also, you can see the permissions that are required to create the team that we ran in the previous scenario, which is the authorization part of it...