How to connect skybell door bell to app

Hello I was originally set up with ADT AND My garage door and doorbell were all manageable through the alarm. Com app, but now they are no longer there. How to I add them back to my panel/ app. I have a skybell doorbell which was provided when we purchased our home and a chamberlain garage door.

See steps to connect the Skybell below:

Steps to connect a garage device depend on the model, see the page below: