Oauth2c
OAuth 2.0Oauth 2.0 accessCode authentication
OAuth 2.0 Configuration
Scopes
https://mail.google.com/https://www.googleapis.com/auth/gmail.addons.current.action.composehttps://www.googleapis.com/auth/gmail.addons.current.message.actionhttps://www.googleapis.com/auth/gmail.addons.current.message.metadatahttps://www.googleapis.com/auth/gmail.addons.current.message.readonlyhttps://www.googleapis.com/auth/gmail.composehttps://www.googleapis.com/auth/gmail.inserthttps://www.googleapis.com/auth/gmail.labelshttps://www.googleapis.com/auth/gmail.metadatahttps://www.googleapis.com/auth/gmail.modifyhttps://www.googleapis.com/auth/gmail.readonlyhttps://www.googleapis.com/auth/gmail.sendhttps://www.googleapis.com/auth/gmail.settings.basichttps://www.googleapis.com/auth/gmail.settings.sharing