Google Directory
Workspace Admin Email
The email address of the user for which the application is requesting delegated access.
Domain-wide Delegation
The service account must have domain wide delegation.
From your Google Workspace domain's Admin console, go to Main menu > Security > Access and data control > API Controls.
In the Domain wide delegation pane, select Manage Domain Wide Delegation.
Click Add new.
In the Client ID field, enter the service account's Client ID. You can find your service account's client ID in the Service accounts page.
In the OAuth scopes (comma-delimited) field, enter the list of scopes that your application should be granted access to. For example, if your application needs domain-wide full access to the Google Drive API and the Google Calendar API, enter: https://www.googleapis.com/auth/drive, https://www.googleapis.com/auth/calendar.
Please perform a connection test to ensure there is a valid connection to the host. When the discovery operation is finalized, you will be able to see the details on the Assets page.