1) Please click on inventory and plan items icon as shown below and click on basket management. 

A > Click on Inventory and plan items.

B > Basket management.

2) Click on Add Basket.

3) Fill in the Basket's name. 

4) Search for the same basket. You will see that there are two basket icons which are red. Click on the first basket and map the plan items that are relevant to the basket and click on save. Click on the second basket and map the Vendor items and click on save.  

       

5) Click on the first basket and Map the plan item and save it.

6) Click on the second basket and Map the Vendor item and save it.