In order to incorporate myQ, you wiill need the Liftmaster/Chamberlain MyQ add-on ($1 /mo).
Changes to your service plan are made through the System Manager feature of your Surety account. This process can be done at anytime.
Once the add-on has been enabled, myQ integration can be found through the Alarm.com website via Settings > Manage Devices. myQ integration cannot be done via the mobile app.
More information on myQ integration can be found on the support site.