This behavior is used to create a checkbox to remove products from the cart. This behavior must be applied to a checkbox that is inside a Cart Repeat Region and the product are removed from the cart on the form submit event. Multiple checkbox selection is supported, if the user check more checkboxes all the products are removed at the same time.
Form:
In this combo you will find the list of form in the page and you must select the form contain the checkbox you want use to remove the product.
Checkbox:
In this combo you will find all the checkbox element in the selected form and you must select which checkbox you want use to remove the product from the cart. If the checkbox you select is not inside a Cart Repeat Region an alert message is displayed and the checkbox is not created because the button must have the reference of the item you want remove and the cart get this reference from the repeat region index.