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.

requiredQuantity

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

Thing > Property > requiredQuantity

The required quantity of the item(s).
Values expected to be one of these types
Number
QuantitativeValue
Text
Used on these types
HowToItem

Schema Version 3.3