You could always just build the complete JSON or XML message from scratch as a string. Have done that in the early days of Mendix. But I do wonder why not create (multiple) mappings and based on logic use those mappings to create the file. Could you elaborate on what you are trying to achieve?
I am trying to retrieve a list of air quality measurements from a microflow, and save it into a JSON struture.
From multiple pages I’ve consulted for the Export Mapping functionality, you need to have an already known structure, and I do not know how all these measurement values are structured in that list.
However, I found a website that actually has this type of data in an ASCII file so I’ll probably use that, instead of doing it through Mendix.
Thank you for your answer! :)