1. First, create your subdomain with your current domain registrar.
To create a subdomain follow these steps. https://appscontrolpanel.kayako.com/article/7-custom-domain-for-your-web-app-pwa
2. Next, add your subdomain, known as ' Web App Domain' in Settings>Domain & SEO.
If your subdomain was configured correctly with your domain provider our system will validate its available. The set-up process can take up to 48-72 hours to complete during the business week.
3. Next, complete the publish step.
Go to the publish step and tick 'web app' only and complete the basic information and upload your preferred icon.
Remember the actual app icon name should not be more than 12 characters.
4. Finally, click 'Ready to Publish' on the top menu and complete the form. We will then publish your PWA and confirm by email.