Sends an Amazon ECS4 request to add an item to an existing cart. The result is returned as a Matizha.AmazonECSNet.WebServices.CartItem array.
A Matizha.AmazonECSNet.WebServices.CartItem array containing the shopping cart items.
Valid Cart Id and HMAC are required
CartRequest Class | Matizha.AmazonECSNet.CA Namespace