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Gethistory Not Working On Remote

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I am trying to use getHistory to get the last value of a channel, but it does not work.

If I force new data into the channel on the server, it does update on the remote copy okay. 


In the sequence on the remote I have:

S1.getHistory("Event_3", 0, 1)


S1 is the connection to the server.  Event_3 is the channel.  I really only need the most current data from the channel, not the entire history.

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