App Designer - How do I pass a structure or array from one app to another?

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I'm developing an app to process laboratory test data that will use several auxilary apps for different stages of the processing. I initially load the data file into the main app, apply some corrections/calibrations, and store it in a public structure within the main app. I want to pass that structure to a secondary app for more analysis.
I've seen many examples of passing a single value from one app to another, e.g., values from an edit field. I've used that coding approach in other places in my app and it works fine. I'm not able to find any examples of passing arrays or structures between apps. When I try to use the same approach to pass a structure, I'm getting error messages like:
Unrecognized method, property, or field 'structure' for class 'main'.
Does passing a structure work the same way or am I missing something?

Accepted Answer

Kevin Holly
Kevin Holly on 14 Feb 2022
The link below demostrates how to communicate between apps when using app designer.
  9 Comments
Kevin Holly
Kevin Holly on 15 Feb 2022
Edited: Kevin Holly on 15 Feb 2022
I meant to remove the app.data. sorry about that.
function CaculateCcMenuSelected(app, event)
app.CalcCc=CalcCc(app);
end

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