Reference:
https://docs.microsoft.com/en-us/azure/data-explorer/provision-azure-ad-app
A. From the Azure portal, upload a certificate public key for the Azure AD application.
B. Add the application permissions to the Azure AD application.
C. Modify the code of the web app to use the certificate to obtain an access token for Microsoft Graph.
D. Create a secret in the Azure AD application.
E. Add the required delegated permissions to the Azure AD application.
