Source: Schema.org v30.1 vocabulary. Official orderItemNumber property definition.
What does orderItemNumber mean?
The identifier of the order item.
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