FavoriteProductServiceAddProductToFavoriteList Method (Int32, String, String, Int32)

public void AddProductToFavoriteList(
	int userId,
	string productId,
	string productVariantId,
	int favoriteListId = 0
)

Public Sub AddProductToFavoriteList ( 
	userId As Integer,
	productId As String,
	productVariantId As String,
	Optional favoriteListId As Integer = 0
)