Receiving Insufficient Permission error from DirectoryService

Question

I am trying to setup c# code to manage our Google domain.

I am receiving this error whenever I call service.Users.List() or any other method from the DirectoryServic

Answer 1

The doc at url https://developers.google.com/gmail/api/quickstart/dotnet has scope set as static string[] Scopes = { GmailService.Scope.GmailReadonly }; set it as GmailService.Scope.MailGoogleCom and then continue with the flow as specified in the document.It was a bummer i was editing the scope in my token respnse file