how we get to know that from which account(google account) we authorized

Hello, I am using asp.net web application to record conversions on google adwords account.I am using oauth2.0 flow to authorize the user's accounts (google account). I want to know fee things regarding this flow: 1. How I can get refresh token every-time I authorize the same google acco

google adwords revoke refresh token issue

Hey, I am using asp.net web application to record conversions on google adwords account, While revoking the refresh token using class *OAuth2ProviderForApplications's *method *RevokeRefreshToken, *It takes sometime to revoke the refresh token(5 to 6 seconds) . Can anyone help me how i can use