How to display data based on FSCM REST API in a custom Panel on Redwood Account Detail foldout page

Summary:

I created a new service connection using fscmRestAPI with a GET call and want to display the response data on the CX Account Detail foldout page. I added a new section under Panel Container Layout on the Action Detail page and included a cx-panel fragment, but no data is appearing in the panel.

How can the fscmRestAPI response be passed into a cx-panel fragment? The cx-panel fragment includes a resources field—how can I register or map a custom service endpoint there?

Alternatively, is there another supported approach to display data on the CX Account Detail foldout page using a