In order to setup your own subdomain to be used for your Craver web ordering site, you need to follow the steps below:
1- Request Domain Verification Token
Email your Craver Account manager and request a Domain Verification Token. Send us your domain name and a verification token will be generated for you.
2- Verify Your Domain
Add the TXT record to the DNS configuration for your domain with the value you receive from your Craver Account Manager.
Here's a help page that will guide you through the process
https://support.google.com/a/topic/1409901?hl=en&ref_topic=9196&sjid=5436312105159136027-SA
3- Setup your subdomain
Add the CNAME record to the DNS configuration for your domain with sumdomain.yourdomain.com and the value set to ghs.googlehosted.com
4- Notify your account manager
Once CNAME is added, notify your account manager and they will make sure your subdomain is set up for your Craver Web Ordering.