You can search for products while building a basket by following the below steps:
While in the basket, click into the Product Search option in the top left.
You can search by:
Key Word.
Stock Code (SKU).
PID (Procure Wizards unique ID number).
Category Name.
Once the search is complete the results are displayed in the left panel. You can then search and define your results further by exploring the categories and filter options.