Take the following steps to register your application as an Azure Active Directory application.
1. Go to the Azure portal.
https://portal.azure.com
2. Select Azure Active Directory.
3. Select App registrations on the left.
4. Select New registration.
5. Enter an application name.
6. Select the account types your application supports.
7. Enter a Redirect URI using one of the following methods:
If you are using the Configuration Manager to obtain OAuth tokens, select Web from the dropdown and enter http://localhost as the redirect URI.
If you are using a 3rd party application to obtain OAuth tokens, select Web or Public client/native (mobile & desktop) as required for your application. Then, enter the redirect URI associated with the application.
8. Press Register.
You are directed to the application overview page.
9. Add permissions associated with the Microsoft APIs your application uses.
a. Select API permissions from the navigation menu.
b. Select the API your application uses.
c. As appropriate, select Delegated permissions or Application permissions.
d. Check the box of each permission you want to grant the application.
e. Press Add permissions.
Results:
You have successfully registered your application on Azure Active Directory, as well as added permissions required for application access to Microsoft APIs.
If you are using the Configuration Manager to obtain OAuth tokens, select Web from the dropdown and enter http://localhost as the redirect URI.