@available_online.setter<EOL><INDENT>def available_online(self, available_online):<DEDENT>
self._available_online = available_online<EOL>
Sets the available_online of this CatalogItem.
If `true`, the item can be added to shipping orders from the merchant's online store.

:param available_online: The available_online of this CatalogItem.
:type: bool