core + meta (Meta Extension): terms used within schema.org for schema definitions.

requirements

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

Thing > Property > requirements

Component dependency requirements for application. This includes runtime environments and shared libraries that are not included in the application distribution package, but required to run the application (Examples: DirectX, Java or .NET runtime).

Usage: Between 100 and 1000 domains
Values expected to be one of these types
Text
URL
Used on these types
SoftwareApplication
supersededBy
softwareRequirements

Schema Version 3.3