# productViewed

abstract fun [productViewed](https://building.usebutton.com/button-merchant-android/latest/-button%20-merchant%20-library/com.usebutton.merchant.module/-button-user-activity/product-viewed.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 viewed a product.

#### Parameters

- **product**  
the viewed product