how to get the azure active directory token for the externl user using the windows application

Question

I Have Added the Gmail User to the Active Directory. For that user i tried to get token.As i asked in the quesion in stack overflow

not able to get the token from azure active directory by pass username and password for gmail user

but i failed to get the token using webapplication.

then i tried to get the token using the windows form application as in the microsoft documentation

https://github.com/Azure-Samples/active-directory-dotnet-desktop-msgraph-v2

again i falied for get token for gmail user. please help me to get the token for gmail(external user).can any one plese sujjest me to get the token.

Answer 1

In app.cs file of the sample application(git) chage the

private static string Instance = "https://login.microsoftonline.com/";

to

private static string Instance = "https://login.microsoftonline.com/{tennant}/oauth2/";

Your code will work for the external users also..