Hi, Welcome to the community. Can you elaborate more on how you want to flatten the input specially when you have multiple arrays with different cardinalities where sometimes you match by index and other (when the array count = 1) you seem to assign to all. Also your sample input seem to have some matching values which makes it ambiguous  in figuring which value is being assigned to what array. When I look at the output all I see is  two identical objects where all the values seem to match which makes it even more confusing.  ... View more