veritatisdoloremque/docs-exp/analytics-types.eventparams.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/analytics-types](./analytics-types.md) &gt; [EventParams](./analytics-types.eventparams.md)

## EventParams interface

Standard gtag.js event parameters. For more information, see [the gtag.js documentation on parameters](https://developers.google.com/gtagjs/reference/parameter)<!-- -->.

<b>Signature:</b>

```typescript
export interface EventParams 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [affiliation](./analytics-types.eventparams.affiliation.md) | string |  |
|  [checkout\_option](./analytics-types.eventparams.checkout_option.md) | string |  |
|  [checkout\_step](./analytics-types.eventparams.checkout_step.md) | number |  |
|  [content\_id](./analytics-types.eventparams.content_id.md) | string |  |
|  [content\_type](./analytics-types.eventparams.content_type.md) | string |  |
|  [coupon](./analytics-types.eventparams.coupon.md) | string |  |
|  [currency](./analytics-types.eventparams.currency.md) | string |  |
|  [description](./analytics-types.eventparams.description.md) | string |  |
|  [event\_category](./analytics-types.eventparams.event_category.md) | string |  |
|  [event\_label](./analytics-types.eventparams.event_label.md) | string |  |
|  [fatal](./analytics-types.eventparams.fatal.md) | boolean |  |
|  [item\_list\_id](./analytics-types.eventparams.item_list_id.md) | string |  |
|  [item\_list\_name](./analytics-types.eventparams.item_list_name.md) | string |  |
|  [items](./analytics-types.eventparams.items.md) | [Item](./analytics-types.item.md)<!-- -->\[\] |  |
|  [method](./analytics-types.eventparams.method.md) | string |  |
|  [number](./analytics-types.eventparams.number.md) | string |  |
|  [page\_location](./analytics-types.eventparams.page_location.md) | string |  |
|  [page\_path](./analytics-types.eventparams.page_path.md) | string |  |
|  [page\_title](./analytics-types.eventparams.page_title.md) | string |  |
|  [payment\_type](./analytics-types.eventparams.payment_type.md) | string |  |
|  [promotion\_id](./analytics-types.eventparams.promotion_id.md) | string |  |
|  [promotion\_name](./analytics-types.eventparams.promotion_name.md) | string |  |
|  [promotions](./analytics-types.eventparams.promotions.md) | [Promotion](./analytics-types.promotion.md)<!-- -->\[\] |  |
|  [screen\_name](./analytics-types.eventparams.screen_name.md) | string |  |
|  [search\_term](./analytics-types.eventparams.search_term.md) | string |  |
|  [shipping\_tier](./analytics-types.eventparams.shipping_tier.md) | string |  |
|  [shipping](./analytics-types.eventparams.shipping.md) | [Currency](./analytics-types.currency.md) |  |
|  [tax](./analytics-types.eventparams.tax.md) | [Currency](./analytics-types.currency.md) |  |
|  [transaction\_id](./analytics-types.eventparams.transaction_id.md) | string |  |
|  [value](./analytics-types.eventparams.value.md) | number |  |