Elements connect (formerly Nfeed) integration supported by eazyBI for Jira version 4.2.2 or later.
eazyBI automatically detects Elements Connect (formerly nFeed) custom fields in import options page. You can select them to import as dimensions and/or properties for "Issue" dimension members.
Element Connects custom fields should be available in the Add-ons tab under section nFeed Custom fields.
See one use-case here: