@item_data.setter<EOL><INDENT>def item_data(self, item_data):<DEDENT>
self._item_data = item_data<EOL>
Sets the item_data of this CatalogObject.
Structured data for a [CatalogItem](#type-catalogitem), set for CatalogObjects of type `ITEM`.

:param item_data: The item_data of this CatalogObject.
:type: CatalogItem