You only need one type of Authentication, either OAuth Authentication [best suited for individual users] or Service Account Authentication [best suited for organizations].
Oauth Authentication
Authenticate with Oauth Account.
Service Account Authentication
Authenticate with Service Account.
Connect to Google Integration and ingest data:
Once you have setup the authentication keys and have started the application, you will see your application running in the browser.- Once you login with your google account successfully, this screen will appear :

- On the left you will find a
plugicon. That’s our connector.

- Now depending on which authentication key you have configured, you can choose ingestion using
Oauth Accountor ingest usingService Account.
Ingestion using Oauth Account
Ingestion with Oauth Account.
Ingestion using Service Account
Ingestion with Service Account.