Intructions 

1. Go to Purchase Orders > Add PO.

2. Click on the Inventory tab at top left of the display
   
   

   Info
   Notice that from the Inventory Type column you can allocate products both from Future Inventory and On Hand Inventory.

   
   

3. In the Actions column, click on Allocate.
   Image Added

4. If you select a product From On Hand Inventory you must select the quantity to allocate and press the enter key. Once you do that, the line product will be added to a PO.
   
   Image Added
5. On the contrary, if you select a product from the Future Inventory, The next screen will be displayed.
   
   Image Added
   
   
6. Once you enter the quantity to allocate, the line product from future inventory will be allocated to a prebook.