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

requiredMaxAge

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

Thing > Property > requiredMaxAge

Audiences defined by a person's maximum age.

Usage: Between 10 and 100 domains
Values expected to be one of these types
Integer
Used on these types
PeopleAudience

Schema Version 3.2