title: Adding “AllowUpload” to the landed code tab in the Bill and adjustment screen
body: <p>I'm trying to add the ability to upload order lines into landed cost on the bills and adjustment screen via excel or csv. I customized the screen and set AllowUpload to True. <a href="https://i.stack.imgur.com/gXJlp.png" rel="nofollow noreferrer">enter image description here</a> But i don't know how to use the [PXImport]. Can you guy show me step by step.Ex: what is the BQL and where 
  to put it. Be specific. Thanks </p>