Azure Web app and back-end api secure connectivity

[sscSS11]

How do I secure communication between Web app and a web api using Azure AD?

[#2]

HI
To do so you will need :
An API Management instance
An API being published that uses the API Management instance
An Azure AD tenant

All the process is described below :
https://docs.microsoft.com/en-us/azure/api-management/api-management-howto-protect-backend-with-aad