If you want to use external source for your Showback rules, add Showback Credentials you then will want to use.
Select organization for a better overview of Rules.
See table of added Showback credentials.

Table consist of ID, Name, Organization, URL, bound Rules, date and time Created and Actions.
Actions
Lock the credentials – then credentials cannot be used in Showback rules and cannot be deleted
Unlock credentials – then credentials are unlocked and you can use them again
Delete credentials – if no longer needed
Add New Credentials #
With Add Credential you can create a new showback credentials.

Organization – choose organization from drop-down selection
Name – choose name for your Showback Credentials (3-30 characters)
URL – add URL of the source
Username and Password – use your Prometheus or other credentialsInfo
After you successfully added the credentials, you can see them in overview. Back to topPreviousBilling CredentialsNextKubernetes Profiles