# Shopify Checkout Kit

## Overview

When your app uses [Shopify Checkout Sheet Kit](https://github.com/Shopify/checkout-sheet-kit-android "Shopify Checkout Sheet Kit") for checkout, Forter needs the **checkout token** to correlate fraud signals with the transaction.

The SDK exposes the token at two points:

- `onWebPixelEvent` — fires when the checkout opens (`checkout_started`), providing the token before payment

- `onCheckoutCompleted` — fires after successful payment, providing the token and order ID

## Integration

### Kotlin

```kotlin
ShopifyCheckoutSheetKit.present(checkoutUrl, activity, object : DefaultCheckoutEventProcessor(activity) {
    override fun onWebPixelEvent(event: PixelEvent) {
        if (event is StandardPixelEvent && event.name == "checkout_started") {
            val checkoutToken = event.data?.checkout?.token ?: return
            ForterSDK.getInstance().trackAction(TrackType.PAYMENT_INFO, JSONObject().apply {
                put("checkoutToken", checkoutToken)
            })
        }
    }
    
    override fun onCheckoutCompleted(event: CheckoutCompletedEvent) {
        val checkoutToken = event.orderDetails.cart.token
        val orderId = event.orderDetails.id
        ForterSDK.getInstance().trackAction(TrackType.PAYMENT_INFO, JSONObject().apply {
            put("checkoutToken", checkoutToken)
            put("orderId", orderId)
        })
    }
})
```