How do i add facebook to authenticator app

- How do i add facebook to my authenticator app
- How to add facebook to authenticator app
- How to add facebook to google authenticator app
- How do i add facebook to my google authenticator app
- How to add facebook to authenticator app without qr code
- How to add facebook to authenticator app on iphone
- How to add facebook to my authenticator app
- How to add facebook to your authenticator app
- How to add facebook to my google authenticator app
- How to add 2 factor authentication to facebook
- How to use 2 factor authentication on facebook