title: Import DevOps CSV issues to existing user story without overwriting title and description?
body: <p>I'm working with Azure Devops and I want to import a CSV with about 20 issues and link them to an existing user story. After reading <a href="https://docs.microsoft.com/en-us/azure/devops/boards/queries/import-work-items-from-csv?view=azure-devops" rel="nofollow noreferrer">the documentation</a>, I've created the CSV file below and this seems to work, it creates the new issues ready for import.</p>
  <pre><code>ID,Work Item Type,Title 1,Title 2,Description 2,Assigned To,State,Priority,Tags
  &quot;112096&quot;,&quot;User Story&quot;,&quot;GPRI Beat 202200257 (GPRI forms)&quot;,,,,&quot;New&quot;,,
  ,&quot;Issue&quot;,,&quot;Test issue 123 (a)&quot;,&quot;desc 1&quot;,,&quot;New&quot;,&quot;1&quot;,
  ,&quot;Issue&quot;,,&quot;Test issue 456 (b)&quot;,&quot;desc 2&quot;,,&quot;New&quot;,&quot;1&quot;,
  </code></pre>
  <p>However, this somehow requires that I also provide the title and description of the existing user story. In other words it will overwrite the existing title and description with whatever is provided in the CSV import file.</p>
  <p>I kind of assumed that the <code>2</code> in <code>Description 2</code> meant that it only applied to child issues, i.e. the new issues and not the parent user story. When this description is empty then the existing description of the user story is erased and the import screen (correctly) shows an error and stops any import. See screenshots below.</p>
  <p>The existing user story:
  <a href="https://i.stack.imgur.com/ayh4m.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ayh4m.png" alt="existing user story with a title and description" /></a></p>
  <p>The csv import file:
  <a href="https://i.stack.imgur.com/olH9V.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/olH9V.png" alt="import CSV file with new issues" /></a></p>
  <p>Preview changes before saving the import:
  <a href="https://i.stack.imgur.com/F7pXv.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/F7pXv.png" alt="enter image description here" /></a></p>
  <p>So my question is; <strong>is there a way to import new issues to an existing user story without changing the user story?</strong> So ideally just provide the user story ID (in this example it's 112096) in the CSV file.</p>
  <p>I've tried making the <code>Title 1</code> value empty in the import file, but then I get this error <code>Empty field value at line 2, column(s) 3, 4.</code>. I've also tried removing the column <code>Title 1</code> entirely, so just keep <code>Title 2</code>, but then it also gives the same &quot;Empty field&quot; error.</p>
  <p>EDIT: I've also tried removing the &quot;User Story&quot; record and instead add <code>Parent</code> column, but that gives the error <code>Value of a readonly field Parent was modified. Please revert the Parent values or remove the column from the input file and and try to import again.</code></p>