...
OK! So here's the input screen in MO Explorer, for the archetype that becomes the Incoming Observation that the GELLO is watching for the LOINC codes for (Comment GELLO just as easily runs against HL7 lab data Observations):
Here's what happens when we run the gello explicitly against this patient's data:
Here's the UI of the Observation showing the comment as a string under 'System Generated information':