Identifies the Google API access that your application is requesting. Scopes are space-delimited.
Specify scope to obtain the initial access and refresh token.
By default the adapter requests only the scope https://www.googleapis.com/auth/bigquery, but in some cases more scopes are required. For example, when reading data using an external table connected to Google Drive, the additional scope https://www.googleapis.com/auth/drive is also required.