Source: Schema.org v30.1 vocabulary. Official sharedContent property definition.
What does sharedContent mean?
A CreativeWork such as an image, video, or audio clip shared as part of this posting.
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