addCartItems

import { RyeClient, Marketplace } from "@rye-api/rye-sdk";

const ryeClient = new RyeClient({
  authHeader: "<AUTH_HEADER>",
  shopperIp: "<SHOPPER_IP>",
});

const result = await ryeClient.addCartItems({
  input: {
    id: "<CART_ID>",
    items: {
      shopifyCartItemsInput: [
        {
          quantity: 1,
          variantId: "44346795295022",
        },
      ],
    },
  },
});