title: Amazon MWS - Set Seller Memo (Notes) to the order from Order Id
body: <p>I am developing an application to get the orders from Amazon in <strong>Asp.net</strong> with <strong>C#</strong>. I am able to get the Amazon orders using "<strong>ListOrders</strong>" method of "<strong>Orders</strong>" API.</p>
  
  <p>The <strong>Amazon MWS Scratchpad</strong> is available <strong><a href="https://mws.amazonservices.com/scratchpad/index.html" rel="nofollow noreferrer">HERE</a></strong></p>
  
  <p>I am trying to update the order information of Amazon. I want to update "Seller Memo" field of the order using any API method or XML request call. (Please see below Image)</p>
  
  <p><a href="https://i.stack.imgur.com/MHtKR.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/MHtKR.png" alt="Order Screen Contain Seller Memo Field"></a></p>
  
  <p>I have try the "SubmitFeed" method of "Feeds" API. But it not works. </p>
  
  <p>Please, help me to overcome this issue.</p>
  
  <p>Thanks</p>