title: ShipStation API: How to set/update SKU value for an Order InternationOptions' CustomItem
body: <p>How to set SKU value of an <a href="https://www.shipstation.com/docs/api/models/international-options/" rel="nofollow noreferrer">International Options'</a> <a href="https://www.shipstation.com/docs/api/models/customs-item/" rel="nofollow noreferrer">Customs Item</a> using ShipStation API's <a href="https://www.shipstation.com/docs/api/orders/create-update-order/" rel="nofollow noreferrer">Create/Update Order</a> call for an existing <a href="https://www.shipstation.com/docs/api/models/order/" rel="nofollow noreferrer">Order</a>? (<code>OrderKey</code> is known and is set during initial order creation. <code>Customs Declarations</code> ShipStation account's setting is set to <code>Create declarations from order items</code>.)</p>
  <p><a href="https://i.stack.imgur.com/EfYGA.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/EfYGA.jpg" alt="enter image description here" /></a></p>