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.

stepValue

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

Thing > Property > stepValue

The stepValue attribute indicates the granularity that is expected (and required) of the value in a PropertyValueSpecification.

Usage: Fewer than 10 domains
Values expected to be one of these types
Number
Used on these types
PropertyValueSpecification

Schema Version 3.2