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This video shows an example of using Haystack and Niagara dictionaries to apply tags and relations, including a review of useful smart relations between networks, devices and points.
This video shows using the search service to submit NEQL queries for tags and how to traverse inbound and outbound relations.
This video show how to build hierarchies in both remote and supervisor stations which utilize query level and relation level definitions. The supervisor hierarchy also illustrates using query context to associate components in the remote and supervisor station since relations are limited to a single station.