Hi, Is it possible to add the extra element when initially crating the 2D array collection. If the AC help a named object then all that would be required is adding a new property to that object.
> for(i=0; i<src.length; i++){ > record = src.getItemAt(i) as ArrayCollection; > record.addItem( new MyElement() ); > } Which it likely to be slow. to improve I’d: - move src.length outside of loop - access the array in the array collection rather than using getitemAt - turn collection updates off while doing and refresh at end if you need bindings to fire Thanks, Justin