Updates product inventory, including total quantity, whether the product is in stock, and whether the product inventory is tracked.
The updateInventoryVariants() function is a Promise that resolves to the updated inventory variant data.
This method may require higher-level permissions than the caller has, based on their identity and roles and permissions. In these cases, you can ensure the method is called with the required level of authorization by using one of the following:
Inventory item to update.
Product ID.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.