Source: Schema.org v30.1 vocabulary. Official parentService property definition.
What does parentService mean?
A broadcast service to which the broadcast service may belong to such as regional variations of a national channel.
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