I am trying to update scheduled AR invoices detailed lines. They do have inventory IDs. Some have 3-5 detail lines. Having trouble getting the import scenario started. Testing multiple ideas.
Solved
Updating AR Invoices with multiple lines
Best answer by bjeter78
After several failed attempts, my teammate finally got it. The main thing to know is that you cannot use the line (sortorder) #. You must use the line number from the AR Tran. Hope this helps someone.

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