usageInfo property
The schema.org [usageInfo] property indicates further
information about a [CreativeWork] This property is applicable
both to works that are freely available and to those that
require payment or other transactions It can reference
additional information, e.g community expectations on preferred
linking and citation conventions, as well as purchasing details
For something that can be commercially licensed, usageInfo can
provide detailed, resource-specific information about licensing
options This property can be used alongside the license
property which indicates license(s) applicable to some piece of
content The usageInfo property can provide information about
other licensing options, e.g acquiring commercial usage rights
for an image that is also available under non-commercial
creative commons licenses. Supported types: CreativeWork,
String
Implementation
dynamic usageInfo;