Create an Enterprise Application in Microsoft Entra ID
1. In the Microsoft Azure portal, log in to a B2B (Entra ID) tenant as the Global Administrator
2. Under the Microsoft Entra ID menu, select the Enterprise applications option.
3. In the page that opens on the right, click New application.
4. In the Browse Microsoft Entra Gallery (Preview) page, click Create your own application.
5. On the Create your own application page, enter a name for your application, select the Integrate any other application you don’t find in the gallery option, and click Create.
6. On the Properties page, click application registration.
7. Select the Authentication page and perform the following steps:
a. In Platform configurations, click Add a platform.
b. Select Web. This opens the Configure Web page.
c. In the Redirect URIs field, add the following redirect URI and click Save.
https://infracbsb2c.b2clogin.com/infracbsb2c.onmicrosoft.com/oauth2/authresp
8. From the left pane, select Certificates & secret and click New client secret. Provide a description for the secret and click Add.
9. Note down the newly generated secret value. You will need the value later in the configuration.