To add a basket/accessory, first add drawers to the wall cabinet partition
Select the drawer you want to change to basket.
Look for the menu labeled "Drawer" on the right of the design panel. It would be arranged in a vertical order as Cabinet>Partition>Drawer Systems>Drawer> Panel etc. Click on it to access the settings related to drawer.
Within the "Drawer" menu, go into the "Quick Access" or "Construction" tab and you will find the "Drawer Accessories" section. Click on the drop down next to it to open the details.
Under "Accessories Type" select the option "Basket", which will open the catalogue showing the relevant baskets.
Select the required option with the correct product dimensions and click on the same to change that drawer into basket.
Switch off the Drawer Fascia Toggle in the design panel, to remove the drawer fascia.
Lastly, to remove the core front panel, go the the Construction icon at the top of the design panel, select Drawer Carcass and switch off 'Front'.