code: def from_xml_node(xml_node):
          
  
          def gather_enum_values():
              l = []
              for element in xml_node.iterfind('element'):
                  l.append(element.text)
              return l
  
          name = xml_node.findtext("name")
          type = xml_node.tag
  
          if type in ("label", "description"): return None
  
          default = xml_node.findtext("default")
  
          longflag = xml_node.findtext('longflag')
  
          if default:
              default = default.replace('"', '').replace("'", '')
  
          index = xml_node.findtext('index')
  
          label = xml_node.findtext('label') or name or longflag
  
          doc = xml_node.findtext('description')
  
          values = gather_enum_values()
  
          channel = xml_node.findtext('channel')
  
          file_ext = xml_node.attrib.get('fileExtensions', None)
  
          return Parameter(name, type, default, doc, channel, values=values, index=index, label=label,
                           longflag=longflag, file_ext=file_ext)
docs: constructs a CLI.Parameter from an xml node.
          :param xml_node:
          :type xml_node: xml.etree.ElementTree.Element
          :rtype: Executable.Parameter
          :return: