With REST web services, generally they return JSON/XML, which I then need to manipulate into attributes.

The pattern of work is often:

1. Add Creator, HTTPCaller, Logger/Inspector
2. Run workspace
3. Inspect returned JSON/XML - determine if need to fragment and flatten or only flatten.
4. Add JSONFragmenter or JSONFlattener or XML equivalent and Logger/Inspector.
5. Run workspace.
6. Inspect attributes created from flattening.
7. Expose attribute names that were created by flattening.

I wish this was less work.