WordPress Two Factor Authentication (CMAUTH) - 2FA Methods - Google Authenticator
To enable Google Authenticator protection in the WordPress Two Factor Authentication plugin, navigate to Admin Dashboard → CM Secure Login Pro → Google Authenticator tab.
In this tab, you can edit the template for two kinds of email: the "created secret", for when the Google Authenticator is first set to an account, and the "remind secret", for when users have misplaced their secret key.
The trigger to send the message can be found in the Notify Users section of the plugin.
You can learn more about the other methods by reading this guide.
Setting up Google Authenticator
During the first use, it's necessary to link the app and account either through a QR Code or a secret key. Google provides a step-by-step guide about this.