This are stocks available for the shop. First 100 id are reserved to Tilby. If you need a custom one you can create it with id greater than 100. By default each shop has 4 stocks:
- id 1 SALES_STOCK used for sales
- id 2 SUPPLIERS_ORDERS_STOCK used for ordered items
- id 3 SET_ASIDE_STOCK used for stocked aside items
- id 4 FAULTY_STOCK used for broken items
If not specified all items are sent to id 1.