What the city source can contribute
The member workflow makes one exact-address request to Philadelphia's published rental-license data. It returns a capped set of published active rental-license fields: license number, type, published status, issue and expiration dates, units, and rental category.
When the publisher exposes the same parcel account key, the workflow can also show a capped set of related city code-enforcement fields. The parcel key stays inside the source join; it is not shown or used as a search list.