Source: Schema.org v30.1 vocabulary. Official evidenceLevel property definition.
What does evidenceLevel mean?
Strength of evidence of the data used to formulate the guideline (enumerated).
Used on types (domainIncludes)
Expected value types (rangeIncludes)
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