...
Drives map directly to domains. Before you can set setting up Caringo Drive on your a PC or Mac, you must have create an S3 Token for each domain that you want to map via to be mapped using Caringo Drive.
From the Content UI, browse to a domain to be mapped and view its Settings (gear icon).
Create a token to authorize the domain mapping.
From the toolbar, select Tokens.
Select Add, and enter a helpful Description to identify the token.
Select a duration for the token from the Expiration Date drop-list.
(required) Enable S3 Secret Key, adding a custom (friendly) key string, if desired.
Save the token.
Copy all token information into a secure document when the Success message appears. Refer to this during drive mapping.
Repeat for each domain for which you need to map a drive.
...