addOn constant

IriTerm const addOn

addOn [Expects: https://schema.org/Offer]

An additional offer that can only be obtained in combination with the first base offer (e.g. supplements and extensions that are available for a surcharge).

Can be used on: https://schema.org/Offer

Implementation

static const addOn = IriTerm.prevalidated('https://schema.org/addOn');