Schema.org property reference

firstAppearance — Schema.org Property Guide

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

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

What does firstAppearance mean?

Indicates the first known occurrence of a [[Claim]] in some [[CreativeWork]].

Parent properties

workExample

Used on types (domainIncludes)

Claim

Expected value types (rangeIncludes)

CreativeWork

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