schemaDateModified constant
dateModified from schema vocabulary [Expects: https://schema.org/Date, https://schema.org/DateTime]
The date on which the CreativeWork was most recently modified or when the item's entry was modified within a DataFeed.
Can be used on: https://schema.org/CreativeWork, https://schema.org/DataFeedItem
Implementation
static const schemaDateModified = IriTerm.prevalidated(
'https://schema.org/dateModified',
);