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.

defaultValue

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

Thing > Property > defaultValue

The default value of the input. For properties that expect a literal, the default is a literal value, for properties that expect an object, it's an ID reference to one of the current values.

Usage: Between 100 and 1000 domains
Values expected to be one of these types
Text
Thing
Used on these types
PropertyValueSpecification

Schema Version 3.3