21 under the hood dynamically creates standard Appium commands hence we integrate with any standard Appium grid such as Perfecto by Perforce
To connect to your cloud based mobile lab by Perfecto, tap into your project settings and choose "Grid Services".
Choose "Perfecto by Perforce" as your provider
Specify your host name and port
Specify your credentials including token which is required for use to pull the list of available devices
Once done test your connection to make sure it's successful and click "Save".
21 will pull the list of available devices and make it available in your suite run.