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Creating Reference/Variable Node in OPC UA Data Tree?

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I  have a question regarding creating reference/Variable nodes in the OPC UA Data structure. For example, we have two items in a big data structure tree having the same property, Is it possible to create this reference property while building the data structure? And can it be represented in the data tree at both items? Should I use local Variables for this task? and how?

In short, Iam asking if its possible to have same property represented two times in the Data tree and when we change it's value in one place, it automatically changes in the other place.

Any advice would be highly appreciated. Thank you.

Best Regards.

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