What is it a bundle ID?
The bundle ID is an identification name for your application used by the system as a domain to store your app settings. You can customize your bundle ID choosing the file name that will be visible to users who download your app.
How to set it up
1. Click on the Settings tab on the top bar of your dashboard:
2. Click on Custom Brand from the left hand sidebar:
3. Click on the Bundle tab:
4. Type in your Bundle ID: