Media products metadata, relevant for digital or physical books, newspapers, magazines, music and sound recordings.
| Metadata attribute name | Relevance | Products count |
|---|---|---|
| publicationYear | Books, video and audio recordings. | 13 785 295 |
Media product publication or release year, integer. In case of re-issues that use the same barcode, this is the year of the first publication. For on-demand publications, this is the year of the original publication.
{
"product": {
"metadata": {
"media": {
"publicationYear": 1990
}
}
}
}