unitCode constant
IRI for schemahttp:unitCode [Expects: http://schema.org/Text, http://schema.org/URL]
The unit of measurement given using the UN/CEFACT Common Code (3 characters) or a URL. Other codes than the UN/CEFACT Common Code may be used with a prefix followed by a colon.
Can be used on: http://schema.org/PropertyValue, http://schema.org/QuantitativeValue, http://schema.org/TypeAndQuantityNode, http://schema.org/UnitPriceSpecification
Implementation
static const unitCode = IriTerm.prevalidated('http://schema.org/unitCode');