If you don't have a Comeen space yet, go to https://subscribe.getcomeen.com/
In order to setup our Workplace from Facebook integration, please follow the following steps:
Go to Settings in your Comeen space
Enable Workplace by Facebook notifications and click on "Setup Workplace by Facebook"
3. You'll be prompted to install our app on your Workplace domain
Once the app is installed, your users will be able to receive notifications in Workplace Chats