Stock
As mentioned in several parts of our documentation, Sales Layer was not designed to work with stock. However, through the PrestaShop connector, it is possible to send the number of stored items. To do this, in the
To send it correctly, the Overwrite Stock Status checkbox within the configuration of the connector in the Sales Layer plugin in PrestaShop must be active:

Warning: If the Overwrite Stock Status checkbox is not selected, Sales Layer will only update the stock info when the item is created. As a result, the value will not be updated by the plugin in future updates even if it changes.
If you do not want to manage the stock from Sales Layer, just disable the Quantity field within the Sales Layer connector: select the field and go to Actions → Disable field. This way you do not have to select the Overwrite Stock Status checkbox.