Where can we download AF SDK 4.0 documentation / reference?
It is available in the Tech Support Download site by searching for "PI AF Developer Tools". Please see this post for further details on what's available.
PI AF SDK Programming References
If you'd like specific information regarding 4.0, I suggest reading the "What's New" sections in the AFSDK.chm Reference guide in %pihome%\help\.
There is also a video introduction to Rich Data Access located below.
Builders's Café Webinar Series: Programming with the PI AF SDK Rich Data Access
Thank you Barry!
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