Select an XML node and add a value to it

<MACHINE>
  <NAME />
  <RECIPE>
    <NAME>
      <PARAMETER>
        <NAME>Tempete</NAME>
        <ACCESS_LEVEL />
        <HISTO_DAY_MAX />
        <HISTORY>
          <UPDATE>
            <VALUE>1</VALUE>
            <DATE>20,04,2023 01:53:28</DATE>
          </UPDATE>
          <UPDATE>
            <VALUE>1</VALUE>
            <DATE>20,04,2023 01:53:28</DATE>
          </UPDATE>
        </HISTORY>
      </PARAMETER>
      <PARAMETER>
        <NAME>Temps de fin de cycle</NAME>
        <ACCESS_LEVEL />
        <HISTO_DAY_MAX />
        <HISTORY />
      </PARAMETER>
      <PARAMETER>
        <NAME>Vitesse pendant la correction</NAME>
        <ACCESS_LEVEL />
        <HISTO_DAY_MAX />
        <HISTORY />
      </PARAMETER>
    </NAME>
  </RECIPE>
</MACHINE>

nodeSearch=doc.SelectNodes("/MACHINE/RECIPE/NAME/PARAMETER/NAME");

	for each nodd in nodeSearch
		if nodd.InnerText.ToString()== Designation.ToString() then
			testParam = true;
			nameNode = nodd;
		endif;

...


	else
		Update = doc.CreateElement("UPDATE");
		node = nameNode.ParentNode.SelectSingleNode("/HISTORY");
		Value = doc.CreateElement("VALUE");
		Date = doc.CreateElement("DATE");

	next;