schemaHttpThumbnailUrl constant
IriTerm
const schemaHttpThumbnailUrl
thumbnailUrl from schema-http vocabulary [Expects: http://schema.org/URL]
A thumbnail image relevant to the Thing.
Can be used on: http://schema.org/CreativeWork
Implementation
static const schemaHttpThumbnailUrl = IriTerm(
'http://schema.org/thumbnailUrl',
);