Source: Schema.org v30.1 vocabulary. Official subTest property definition.
What does subTest mean?
A component test of the panel.
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