This feature is only available in version 2024.1.1 and later
This documetnation is for a Third Party resource that may be subject to change without notice.
The official documentation should be referred to in the event the instructions do not match up.
Setting Up OAuth2 Authentication:
https://support.google.com/cloud/answer/6158849
Enabling GMAIL APIS
https://developers.google.com/identity/protocols/oauth2/web-server#enable-apis
Creating a Service Account
https://support.google.com/a/answer/7378726
Creating Access Credentials:
https://developers.google.com/workspace/guides/create-credentials