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The Source Tag point attribute

Question asked by Tomas Stark Champion on Oct 15, 2019
Latest reply on Oct 15, 2019 by LalBabuShaik



documentation about the point attribute "Source Tag" is very scarce.


LiveLibrary says:

"Source Tag — Enter a reference to the tag name of another PI point to use that point's data stream as the source of the new PI point. A source tag is not required to create a point, but can be supplied."


Can anyone explain the purpose of this point attribute and examples of how it can be used?