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# Item add-ons

> The item add-on menu allows users to attach an item or a set of items while going through the sale process of a main item on the POS.

There are two different types of [<ins>item add-on</ins>](/product/retail-pos-processes-item-addon-ref) configurations:

* Item add-on attached to the specific main item - the addon is purchased alongside the main item as an accessory, warranty, or a component of the main item.
* A standalone item add-on menu - the addon is purchased on its own; refers to items that can be selected from a defined list or a menu.

You need to take the following actions before attaching the add-ons to the main item:

* [<ins>Create item add-ons</ins>](/product/retail-pos-processes-create-and-attach-item-addon).
* Attach the item add-ons to the main item that you want to use it with.

You need to perform the following setup if you want to create the add-on menu as a standalone:

* [<ins>Create item add-ons</ins>](/product/retail-pos-processes-create-and-attach-item-addon).
* Create the POS button for the Item add-on menu to be used in the POS.

#### See also

* [<ins>Item add-on custom configurations</ins>](/product/retail-pos-processes-custom-configurations-item-addons)