data class Placement(val path: String, val position: Int? = null, val page: Int? = null, val pageSize: Int? = null, val productId: String? = null, val categoryIds: List<String>? = null, val searchQuery: String? = null, val location: String? = null)

Purchase

data class Purchase(val occurredAt: String, val opaqueUserId: String, val id: String, val items: List<PurchasedItem>, val deviceType: Device? = null, val channel: Channel? = null, val page: Page? = null) : JsonSerializable

PurchasedItem

data class PurchasedItem(val productId: String, @IntRange(from = 1) val quantity: Int, @IntRange(from = 1) val unitPrice: Int? = null, val resolvedBidId: String? = null, val vendorId: String? = null)

PurchaseEvent

data class PurchaseEvent(val purchases: List<Purchase>)

Session

data class Session(val opaqueUserId: String)