[Home](./index.md) > [@firebase/analytics-types](./analytics-types.md) > [Item](./analytics-types.item.md) ## Item interface Signature: ```typescript export interface Item ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [affiliation](./analytics-types.item.affiliation.md) | string | | | [brand](./analytics-types.item.brand.md) | string | | | [category](./analytics-types.item.category.md) | string | | | [coupon](./analytics-types.item.coupon.md) | string | | | [creative\_name](./analytics-types.item.creative_name.md) | string | | | [creative\_slot](./analytics-types.item.creative_slot.md) | string | | | [discount](./analytics-types.item.discount.md) | [Currency](./analytics-types.currency.md) | | | [id](./analytics-types.item.id.md) | string | | | [index](./analytics-types.item.index.md) | number | | | [item\_brand](./analytics-types.item.item_brand.md) | string | | | [item\_category](./analytics-types.item.item_category.md) | string | | | [item\_category2](./analytics-types.item.item_category2.md) | string | | | [item\_category3](./analytics-types.item.item_category3.md) | string | | | [item\_category4](./analytics-types.item.item_category4.md) | string | | | [item\_category5](./analytics-types.item.item_category5.md) | string | | | [item\_id](./analytics-types.item.item_id.md) | string | | | [item\_list\_id](./analytics-types.item.item_list_id.md) | string | | | [item\_list\_name](./analytics-types.item.item_list_name.md) | string | | | [item\_name](./analytics-types.item.item_name.md) | string | | | [item\_variant](./analytics-types.item.item_variant.md) | string | | | [location\_id](./analytics-types.item.location_id.md) | string | | | [name](./analytics-types.item.name.md) | string | | | [price](./analytics-types.item.price.md) | [Currency](./analytics-types.currency.md) | | | [promotion\_id](./analytics-types.item.promotion_id.md) | string | | | [promotion\_name](./analytics-types.item.promotion_name.md) | string | | | [quantity](./analytics-types.item.quantity.md) | number | |