Thank you for providing additional help here.
I tried your solution, but there were two problems. The collections are encased in curly braces, while the add() added an array with square brackets. And there were escape backslashes being added, which I found no way arround.
But i came up with another solution:
- Added a Parse Json module inbetween
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Snatched the Output from the Array Aggregator and generated a Data Structure from it in the Parse Json module
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Made changes to the Output (and limited it to one collection) and put that as the Json string (in other words an identical structure to the one generated by the Array Aggregator.
- Merged the Array Aggregated array with the Parse Json array in the Visma module; and voilà! Solved!
