Source: Schema.org v30.1 vocabulary. Official stage property definition.
What does stage mean?
The stage of the condition, if applicable.
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