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DB_Postocdes in this case is a csv file. The MO Gello Authoring tool will also load SQL Lite file and Firebird files.The package presents as a sequence of rows. Here is a screen shot of the simple structure of this example:
This is the import screen:
Here is the code running:
The Suburb and the State can be captured from the UI of an archetype which runs this code in the onCalculate field for a Postcode Element:
Here is the modified code that does this: