@product_type.setter<EOL><INDENT>def product_type(self, product_type):<DEDENT>
self._product_type = product_type<EOL>
Sets the product_type of this CatalogItem.
The product type of the item. May not be changed once an item has been created.  Only items of product type `REGULAR` may be created by this API; items with other product types are read-only. See [CatalogItemProductType](#type-catalogitemproducttype) for possible values

:param product_type: The product_type of this CatalogItem.
:type: str