Flex line chart

hi i have a flex line chart with some line series. What I
wanted to do is get access to the items property of the series. (
this contains the x, y values etc).
Question is at what stage during of rending do i need to do
this?
Ive tried the following but at each attempt the items
collection was 0.
Creation complete of the chart
creation complete of the series
thanks

There is info about accessing the properties of the series in
the docs here:
http://livedocs.adobe.com/flex/3/html/charts_eventsandeffects_12.html
hth,
matt horn
flex docs

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