Kentico - Add an item to the shopping cart

AddItemToShoppingCart.cs

public void AddItemToShoppingCart(int skuId, int quantity)
{
    var skuInfo = SKUInfoProvider.GetSKUInfo(skuId);
    
    // Create params
    var cartItemParams = new ShoppingCartItemParameters(skuId, quantity);
    
    // Ensure minimum allowed number of items is met
    if (skuInfo.SKUMinItemsInOrder > quantity)
    {
        cartItemParams.Quantity = skuInfo.SKUMinItemsInOrder;
    }
    
    shoppingCartInfo.SetShoppingCartItem(cartItemParams);
}