datePublished constant
datePublished [Expects: https://schema.org/Date, https://schema.org/DateTime]
Date of first publication or broadcast. For example the date a {CreativeWork
} was broadcast or a {Certification
} was issued.
Can be used on: https://schema.org/Certification, https://schema.org/CreativeWork
Implementation
static const datePublished = IriTerm.prevalidated(
'https://schema.org/datePublished',
);