isSubstitution property

Whether the UtilityNetworkAttribute is used as a substitution for another network attribute at tap features.

If this value is true, this network attribute is the network attribute to substitute for UtilityNetworkAttribute.networkAttributeToSubstitute at tap features. Taps are special features, identified with the "Subnetwork Tap" category, that work with attribute substitution. See the online help for more information.