Documentation

Original

Reference

schema:identifier

Definition

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](/docs/datamodel.html#identifierBg) for more details.

Scope

Domain: Thing (https://schema.org/Thing). Range: PropertyValue (https://schema.org/PropertyValue), Text (https://schema.org/Text), URL (https://schema.org/URL).

CDIF

Definition

Identifier for objects requiring short- or long-lasting referencing and management.

Scope

@id - resolvable URI when the concept-or-term branch is used; absent when the value is a plain string.