## 1.6.1

### androidJvm

### ButtonMerchantLibrary

### com.usebutton.merchant

### ActivityReportingTask

### ButtonMerchant

### AttributionTokenListener

### ButtonProduct

### ButtonProductCompatible

### Order

### Builder

### Customer

### Builder

### LineItem

### Builder

### OrderListener

### PostInstallIntentListener

### UserActivityListener

### com.usebutton.merchant.exception

### ApplicationIdNotFoundException

### ButtonNetworkException

### HttpStatusException

### NetworkNotFoundException

### com.usebutton.merchant.module

### ButtonUserActivity

### Features

# productAddedToCart

abstract fun [productAddedToCart](https://building.usebutton.com/button-merchant-android/latest/-button%20-merchant%20-library/com.usebutton.merchant.module/-button-user-activity/product-added-to-cart.html)(@ [Nullable](https://developer.android.com/reference/kotlin/androidx/annotation/Nullable.html)product: [ButtonProductCompatible](https://building.usebutton.com/button-merchant-android/latest/-button%20-merchant%20-library/com.usebutton.merchant/-button-product-compatible/index.html))

Report that the user has added a product to their cart.

#### Parameters

- **product**: the added product.