Does not work with anonymous users, as records created by anonymous users have no "owner"

<ac:structured-macro ac:macro-id="2a8fbb6e-35a6-415c-87e9-904358a387d0" ac:name="confiform-entry-register" ac:schema-version="1">
  <ac:rich-text-body>
    <p>
      <br/>
    </p>
  </ac:rich-text-body>
</ac:structured-macro>
<ac:structured-macro ac:macro-id="e23fb184-0418-49d7-a8d9-95f36c29476b" ac:name="confiform" ac:schema-version="1">
  <ac:parameter ac:name="formName">f1</ac:parameter>
  <ac:parameter ac:name="readonlyAfterRegistrationMessage">Sorry, no more registrations</ac:parameter>
  <ac:parameter ac:name="uniqueByUser">true</ac:parameter>
  <ac:parameter ac:name="readonlyAfterRegistration">true</ac:parameter>
  <ac:parameter ac:name="showOnlyOwnRecords">true</ac:parameter>
  <ac:rich-text-body>
    <p>
      <br/>
    </p>
    <p>
      <ac:structured-macro ac:macro-id="e9bf64c9-e015-4b89-98f6-9fbca580e7c3" ac:name="confiform-field-definition" ac:schema-version="1">
        <ac:parameter ac:name="fieldName">hello</ac:parameter>
        <ac:parameter ac:name="fieldLabel">Hello?</ac:parameter>
        <ac:parameter ac:name="type">text</ac:parameter>
      </ac:structured-macro>
    </p>
  </ac:rich-text-body>
</ac:structured-macro>