Notification if stock is 0

Notification if stock is 0

Hello, I have a question about notifications.

First, which notifications are implemented?
Second, how do I send a notification to the admin if a product's stock is 0?

Thank you.

Aw: Notification if stock is 0

Use Joomshopping Addons: Balance products Zero
https://www.webdesigner-profi.de/joomla-webdesign/shop/addons/balance-products-zero.html