identifier

The identifier property represents any kind of identifier for any kind of Thing, such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See background notes for more details.
Thing>Intangible>Property>identifier>
Attached to the following types
TypeDescription
Property  A property, used to indicate attributes and relationships of some Thing; equivalent to rdf:Property.
Properties from Thing
PropertyExpected TypeDescription
ownedby
Refers to the person or organization which owns a thing