@item_id.setter<EOL><INDENT>def item_id(self, item_id):<DEDENT>
self._item_id = item_id<EOL>
Sets the item_id of this CatalogItemVariation.
The ID of the [CatalogItem](#type-catalogitem) associated with this item variation. Searchable.

:param item_id: The item_id of this CatalogItemVariation.
:type: str