Accessing a UDT Data Type Parameter in a tag change event

[jasoncoope]

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Reading UDT Parameter Value?

You will need to read and parse the UDT instance’s extended properties. # The name of the parameter to be read paramName = "MyUDTParam" path = "%s.ExtendedProperties" % myUDTInstanceFullPath props = system.tag.read(path) if props.value is not None: for prop in props.value: if prop.getProperty().name.lower() == paramName.lower(): print prop.value break