Source: Schema.org v30.1 vocabulary. Official programName property definition.
What does programName mean?
The program providing the membership. It is preferable to use [:program](https://schema.org/program) instead.
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