Property
add On
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).
Thing
Property
::
addOn
Values expected to be one of these types
Offer
Used on these types
Offer
Equivalent Properties
schema:addOn
Sources
w3.org.../wiki/WebSchemas/SchemaD... →
add On · Vocabulary | The Marketplace Company