Source: Schema.org v30.1 vocabulary. Official producer property definition.
What does producer mean?
The person or organization who produced the work (e.g. music album, movie, TV/radio series etc.).
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