Problem:    It gets very hard to tell which datasource a column is pulling from.   Example of problem: ClearCollect(col_SubSet_A_OfDataSource,(Filter(SharePointDataSource1,StartsWith(Title,"A"))))  Now I have "Title" twice, so if I am patching from col_SubsSet_A_OfDataSource back into SharePointDataSource1 you have Title : Title    .. now if I have mutliple collections, all with leveraging the SharePointDataSource1.Title as the primary key (manual data integrety not datasource) it becomes very very confusing.       I have a few thoughts on ways to reduce confusion: Allow formula/expressions to use collectionname.ColumnA instead of ColumnA Have collections support a prefix or postfix to column names and store that mapping Give us a function to Pre/Post fix column names so we can manage our own name mapping.   I think #2 is best for "non-programmers" but #1 or #3 probably provides more flexablity.   It would also be nice to have a function like GetColumnNames(table/datasource) It would also be nice if ClearCollect had a simple way to build an empty collection with just the column names so I don't have to do:    ClearCollect(col_Temp,Datasource);Clear(col_Temp)    Thanks!   ... View more