core + attic (Attic Area): these terms have been either deprecated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

partySize

Canonical URL: http://schema.org/partySize

Thing > Property > partySize

Number of people the reservation should accommodate.
Values expected to be one of these types
Integer
QuantitativeValue
Used on these types
FoodEstablishmentReservation
TaxiReservation

Schema Version 3.3