As the creator of the idea, you have all my support! The localized versions are really confusing with literal translations that have no sense.

If you execute the bat file from the command line of Windows...does it work? Maybe the PATH to the java bin folder is not accessible from the Ensemble user.

Try removing the Tiempo de espera and... Could you show the popup when you click on the magnifying glass of Llamadas? Just to be sure that it had correctly detected the calls.

Try to put together all the calls followed by the sync, all of them inside the scope and at the end, after the sync, the catchall.

Sync is your friend! Declare it after calls and configure it to wait for the answers. 

https://docs.intersystems.com/irislatest/csp/docbook/DocBook.UI.Page.cls...

The problem with web applications is that sometimes the behaviour is a bit "stange", it's possible that the DTL page would be cached on explorer's memory and this makes it to work with errors.

Have you tried this? 

https://community.intersystems.com/post/how-do-you-change-namespaces-rou...

Performance in what functionality? Interoperability? SQL queries? Database configuración?

To do async calls shouldn't be a problem: 

https://docs.intersystems.com/iris20243/csp/docbook/DocBook.UI.Page.cls?...

What functionality do you need that is not covered by the community license?

It's a pleasure @Tani Frankel ! Congratulations for your great exercise!
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I think that @Laura Blázquez García is doing something similar to what you are asking for, using the DTLs of IRIS for Health to transform an ORU^R01 message into FHIR resources in a bundle, maybe you can send a message to her. 

Maybe dequeuing state is what you are looking for:

DEQ - Dequeue wait (currently unusued)

Record Map is used to parse rows from CSV files into Objectscript objects, you can use DTLs or by code directly to get the fields from the HL7 message and save into a string variable. Something like:

set myString = request.GetValueAt("PID:3.4.1")

In this case request is an Enslib.HL7.Message variable.

It's not working because the images looks like have been removed: https://containers.intersystems.com/contents