6.3.2.1 Reserved types

In addition to the component types defined by ReportingFacility in the relevant version of the schema, the following special type is recognized:

tag

The tag type represents a single identifier, which is generally unique within the context of a historian. It should not be used within the context of any other component-type and should only be used where the underlying component types are known or can be discovered using something like a shared asset model (SAM) service.

eml://sam.myCompany.com/tag/1234567890abcdef