Schema: propertyID

PropertyValue JSON-LD example for product specifications: material, weight, color, fit, print method, and care instructions. The key-value structure that Product and Place use for additional properties beyond the core fields.

MedicalDevice JSON-LD example for an FDA-cleared medical device. Direct MedicalEntity subtype with 6 direct properties: adverseOutcome, contraindication, postOp, preOp, procedure, seriousAdverseOutcome.

Permit JSON-LD example for a permission granted by an authority. Intangible with 7 direct properties (issuedBy, issuedThrough, permitAudience, validFor, validFrom, validIn, validUntil). Parent of GovernmentPermit.

GovernmentPermit JSON-LD example for a permit issued by a government agency. Direct Permit subtype. Use for building permits, health permits, vehicle permits, and similar government-issued authorisations.

StatisticalPopulation JSON-LD example for a population defined by demographic constraints (Adults aged 25-34 in Lackawanna County). Intangible with populationType and numConstraints.

Thing JSON-LD example for the root of the entire schema.org vocabulary. Every type descends from Thing. Use it directly only when no subtype fits; its 13 properties (name, url, image, identifier, sameAs, potentialAction, etc.) are the universal entity signals every page should publish.