Why do it: This setting defines whether the cart will display products added by the user during their session or if it should contain a fixed list of manually defined products.
Procedure:
1. Access the checkout edit page.
2. Navigate to the tab titled Cart.
3. In the section, locate the field Product Source.
4. Click on the dropdown menu and select one of the two available options:
- Take from cart: The cart will use products that the user has added during their browsing session.
- Select manually: The cart will display a fixed list of products defined by you.
5. If you select Select manually, the Products in Cart section will immediately appear.
6. In the text box under Products in Cart, enter the products you want to be displayed in this specific checkout.
7. After completing your changes, proceed to save the checkout. (Usually via the Save or Save Changes button in the control panel).
