Builder DocsSelect an app and open the gear menu in the browser toolbar. Save or discard pending editor changes first. These settings apply to the selected app, not your account.
The Google OAuth section appears within authentication settings when available. Enable it to reveal the app's client ID, client secret, and callback URL.
Use the setup guidance in the panel, register the displayed callback URL with your Google OAuth client, enter the credentials, and save. Keep the client secret private. This guide shows the empty setup UI and does not connect an external Google account.