DifferenceValues ( newList ; compareList )
Difference of values not found in the compare list.
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Rob Poelking - Show more from this author
Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
This function will render a return separated list of values that are in the newList but not found in the comparisonList. This is helpful, for example, to take a list of already selected items and still present them in a new picker list, allowing the user to make new selections.
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