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Aggregation nested collection



I'm trugeling with a function for a few hours now and I'm hoping someone out there can help me out.


I've a collection ORDERS with a nested table LINE_ITEMS that contains a field NAME (product name) and a field QUANTITY. My goal is to sumarise the the quantities per unique product name in a collection.



Impactful Individual
Impactful Individual

Nested collection can be expanded by Ungroup function, so you can get summary table (collection) containing unique product name and total quantity by


ForAll(Distinct(Ungroup(ORDERS,"LINE_ITEMS"),NAME),Collect(SummaryList,{ProductName:Result , TotalQuantity: Sum(Filter(Ungroup(ORDERS,"LINE_ITEMS"),NAME=Result),QUANTITY)}))


Just in case, below is screenshot of collections in my test app:


Thank you very much. It work like a charm. Good start of this new year. All the best for this year to you and thanks again for your efforts. 

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