Schema.org property reference

unnamedSourcesPolicy — Schema.org Property Guide

Learn the meaning of Schema.org unnamedSourcesPolicy, which types use it and its expected value types, with official source links.

Source: Schema.org v30.1 vocabulary. Official unnamedSourcesPolicy property definition.

What does unnamedSourcesPolicy mean?

For an [[Organization]] (typically a [[NewsMediaOrganization]]), a statement about policy on use of unnamed sources and the decision process required.

Parent properties

publishingPrinciples

Used on types (domainIncludes)

NewsMediaOrganization
Organization

Expected value types (rangeIncludes)

CreativeWork
URL

Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.

Related reference

Browse all Schema.org types and properties · Google feature support status